diff --git a/lib/licenses.nix b/lib/licenses.nix
index 358b77117a36..035907ed921e 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -93,12 +93,12 @@ in mkLicense lset) ({
     url = "https://aomedia.org/license/patent-license/";
   };
 
-  apsl10 = {
+  apple-psl10 = {
     spdxId = "APSL-1.0";
     fullName = "Apple Public Source License 1.0";
   };
 
-  apsl20 = {
+  apple-psl20 = {
     spdxId = "APSL-2.0";
     fullName = "Apple Public Source License 2.0";
   };
@@ -1272,6 +1272,18 @@ in mkLicense lset) ({
   };
 } // {
   # TODO: remove legacy aliases
+  apsl10 = {
+    # deprecated for consistency with `apple-psl20`; use `apple-psl10`
+    spdxId = "APSL-1.0";
+    fullName = "Apple Public Source License 1.0";
+    deprecated = true;
+  };
+  apsl20 = {
+    # deprecated due to confusion with Apache-2.0; use `apple-psl20`
+    spdxId = "APSL-2.0";
+    fullName = "Apple Public Source License 2.0";
+    deprecated = true;
+  };
   gpl2 = {
     spdxId = "GPL-2.0";
     fullName = "GNU General Public License v2.0";
diff --git a/pkgs/by-name/op/opencflite/package.nix b/pkgs/by-name/op/opencflite/package.nix
index 0da9e52e81d6..06e3a921fb9f 100644
--- a/pkgs/by-name/op/opencflite/package.nix
+++ b/pkgs/by-name/op/opencflite/package.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Cross platform port of the macOS CoreFoundation";
     homepage = "https://github.com/gerickson/opencflite";
-    license = lib.licenses.apsl20;
+    license = lib.licenses.apple-psl20;
     maintainers = with lib.maintainers; [ wegank ];
     platforms = [ "x86_64-linux" ];
   };
diff --git a/pkgs/os-specific/darwin/apple-source-releases/CarbonHeaders/default.nix b/pkgs/os-specific/darwin/apple-source-releases/CarbonHeaders/default.nix
index 25e1df3773db..f3ef0e9151f3 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/CarbonHeaders/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/CarbonHeaders/default.nix
@@ -15,6 +15,6 @@ appleDerivation' stdenvNoCC {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/CommonCrypto/default.nix b/pkgs/os-specific/darwin/apple-source-releases/CommonCrypto/default.nix
index 36013fe307ce..32e142981f2d 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/CommonCrypto/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/CommonCrypto/default.nix
@@ -37,6 +37,6 @@ appleDerivation' stdenvNoCC {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/Csu/default.nix b/pkgs/os-specific/darwin/apple-source-releases/Csu/default.nix
index cc73c0ac9415..8cb478d0874c 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/Csu/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/Csu/default.nix
@@ -24,6 +24,6 @@ appleDerivation' stdenv {
     description = "Apple's common startup stubs for darwin";
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/IOKit/default.nix b/pkgs/os-specific/darwin/apple-source-releases/IOKit/default.nix
index aeeb5c06b34c..3943e2b2a9b7 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/IOKit/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/IOKit/default.nix
@@ -183,6 +183,6 @@ appleDerivation' stdenv {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/Librpcsvc/default.nix b/pkgs/os-specific/darwin/apple-source-releases/Librpcsvc/default.nix
index 1bf6396d47fd..3c71531515a1 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/Librpcsvc/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/Librpcsvc/default.nix
@@ -17,6 +17,6 @@ appleDerivation {
   meta = with lib; {
     maintainers = with maintainers; [ matthewbauer ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix b/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
index c9cc99a6550e..7415e99e506c 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
@@ -181,6 +181,6 @@ appleDerivation' stdenv {
     description = "The Mac OS libc/libSystem (tapi library with pure headers)";
     maintainers = with maintainers; [ copumpkin gridaphobe ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/architecture/default.nix b/pkgs/os-specific/darwin/apple-source-releases/architecture/default.nix
index e0e27255b72f..86f58b6b5a3c 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/architecture/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/architecture/default.nix
@@ -34,6 +34,6 @@ appleDerivation' stdenvNoCC {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/default.nix b/pkgs/os-specific/darwin/apple-source-releases/default.nix
index 8a562cc82558..1bd574fe46a4 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/default.nix
@@ -187,7 +187,7 @@ let
   } // (if builtins.isFunction attrs then attrs finalAttrs else attrs) // {
     meta = (with lib; {
       platforms = platforms.darwin;
-      license = licenses.apsl20;
+      license = licenses.apple-psl20;
     }) // (attrs.meta or {});
   });
 
diff --git a/pkgs/os-specific/darwin/apple-source-releases/dyld/default.nix b/pkgs/os-specific/darwin/apple-source-releases/dyld/default.nix
index ca3b70cd0926..e91d70360265 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/dyld/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/dyld/default.nix
@@ -11,6 +11,6 @@ appleDerivation' stdenvNoCC {
     description = "Impure primitive symlinks to the Mac OS native dyld, along with headers";
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/libunwind/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libunwind/default.nix
index 0d378f6089fb..df3c5650452d 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libunwind/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libunwind/default.nix
@@ -12,6 +12,6 @@ appleDerivation {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin lnl7 ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/apple-source-releases/libutil/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libutil/default.nix
index e7c8a6b1113b..5cc8e0ffa28a 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libutil/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libutil/default.nix
@@ -38,6 +38,6 @@ appleDerivation' (if headersOnly then stdenvNoCC else stdenv) {
   meta = with lib; {
     maintainers = with maintainers; [ copumpkin ];
     platforms   = platforms.darwin;
-    license     = licenses.apsl20;
+    license     = licenses.apple-psl20;
   };
 }
diff --git a/pkgs/os-specific/darwin/cctools/apple.nix b/pkgs/os-specific/darwin/cctools/apple.nix
index 7adcfa9539a2..dee4e2006256 100644
--- a/pkgs/os-specific/darwin/cctools/apple.nix
+++ b/pkgs/os-specific/darwin/cctools/apple.nix
@@ -116,7 +116,7 @@ symlinkJoin rec {
   meta = with lib; {
     description = "MacOS Compiler Tools";
     homepage = "http://www.opensource.apple.com/source/cctools/";
-    license = licenses.apsl20;
+    license = licenses.apple-psl20;
     platforms = platforms.darwin;
   };
 }
diff --git a/pkgs/os-specific/darwin/cctools/port.nix b/pkgs/os-specific/darwin/cctools/port.nix
index c9b11ee20155..377d84d9bf73 100644
--- a/pkgs/os-specific/darwin/cctools/port.nix
+++ b/pkgs/os-specific/darwin/cctools/port.nix
@@ -186,7 +186,7 @@ stdenv.mkDerivation {
     broken = !stdenv.targetPlatform.isDarwin; # Only supports darwin targets
     homepage = "http://www.opensource.apple.com/source/cctools/";
     description = "MacOS Compiler Tools (cross-platform port)";
-    license = lib.licenses.apsl20;
+    license = lib.licenses.apple-psl20;
     maintainers = with lib.maintainers; [ matthewbauer ];
   };
 }
diff --git a/pkgs/servers/x11/quartz-wm/default.nix b/pkgs/servers/x11/quartz-wm/default.nix
index 3cf65e990795..d8ad96b97dd1 100644
--- a/pkgs/servers/x11/quartz-wm/default.nix
+++ b/pkgs/servers/x11/quartz-wm/default.nix
@@ -24,7 +24,7 @@ in stdenv.mkDerivation {
     AppKit Xplugin Foundation
   ];
   meta = with lib; {
-    license = licenses.apsl20;
+    license = licenses.apple-psl20;
     platforms = platforms.darwin;
     maintainers = with maintainers; [ matthewbauer ];
   };
diff --git a/pkgs/tools/filesystems/hfsprogs/default.nix b/pkgs/tools/filesystems/hfsprogs/default.nix
index 2ac17286fb41..127050f02585 100644
--- a/pkgs/tools/filesystems/hfsprogs/default.nix
+++ b/pkgs/tools/filesystems/hfsprogs/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "HFS/HFS+ user space utils";
-    license = lib.licenses.apsl20;
+    license = lib.licenses.apple-psl20;
     platforms = lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/system/pdisk/default.nix b/pkgs/tools/system/pdisk/default.nix
index 83c3e65e4171..e6c3e75007ed 100644
--- a/pkgs/tools/system/pdisk/default.nix
+++ b/pkgs/tools/system/pdisk/default.nix
@@ -82,7 +82,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/apple-oss-distributions/pdisk";
     license = with licenses; [
       hpnd # original license statements seems to match this (in files that are shared with mac-fdisk)
-      apsl10 # new files
+      apple-psl10 # new files
     ];
     maintainers = with maintainers; [ OPNA2608 ];
     platforms = platforms.unix;