diff --git a/pkgs/applications/editors/sigil/default.nix b/pkgs/applications/editors/sigil/default.nix
index 869c20c1d6c4..eb026f6dca3a 100644
--- a/pkgs/applications/editors/sigil/default.nix
+++ b/pkgs/applications/editors/sigil/default.nix
@@ -24,6 +24,10 @@ mkDerivation rec {
     python3Packages.lxml
   ];
 
+  prePatch = ''
+    sed -i '/^QTLIB_DIR=/ d' src/Resource_Files/bash/sigil-sh_install
+  '';
+
   dontWrapQtApps = true;
 
   preFixup = ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 76e258fbf8b2..53129559d07f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7159,7 +7159,7 @@ in
 
   sigal = callPackage ../applications/misc/sigal { };
 
-  sigil = libsForQt514.callPackage ../applications/editors/sigil { };
+  sigil = libsForQt5.callPackage ../applications/editors/sigil { };
 
   signal-cli = callPackage ../applications/networking/instant-messengers/signal-cli { };