diff --git a/pkgs/kde/gear/kompare/default.nix b/pkgs/kde/gear/kompare/default.nix
index 32bcaf2401d9..1607d88ad905 100644
--- a/pkgs/kde/gear/kompare/default.nix
+++ b/pkgs/kde/gear/kompare/default.nix
@@ -1,5 +1,8 @@
 {mkKdeDerivation}:
 mkKdeDerivation {
   pname = "kompare";
-  meta.mainProgram = "kompare";
+  meta = {
+    mainProgram = "kompare";
+    broken = true; # Qt5
+  };
 }
diff --git a/pkgs/kde/gear/libkomparediff2/default.nix b/pkgs/kde/gear/libkomparediff2/default.nix
index 43cccc19603f..eca12887d94b 100644
--- a/pkgs/kde/gear/libkomparediff2/default.nix
+++ b/pkgs/kde/gear/libkomparediff2/default.nix
@@ -6,4 +6,6 @@ mkKdeDerivation {
   pname = "libkomparediff2";
 
   extraBuildInputs = [qt5compat];
+
+  meta.broken = true; # Qt5
 }