diff --git a/pkgs/applications/graphics/cq-editor/default.nix b/pkgs/applications/graphics/cq-editor/default.nix
index 036edf80ab9..cf94f4fa32d 100644
--- a/pkgs/applications/graphics/cq-editor/default.nix
+++ b/pkgs/applications/graphics/cq-editor/default.nix
@@ -2,6 +2,7 @@
 , mkDerivationWith
 , python3Packages
 , fetchFromGitHub
+, wrapQtAppsHook
 }:
 
 mkDerivationWith python3Packages.buildPythonApplication rec {
@@ -27,8 +28,9 @@ mkDerivationWith python3Packages.buildPythonApplication rec {
     requests
   ];
 
-  postFixup = ''
-    wrapQtApp "$out/bin/cq-editor"
+  nativeBuildInputs = [ wrapQtAppsHook ];
+  preFixup = ''
+    makeWrapperArgs+=("''${qtWrapperArgs[@]}")
   '';
 
   checkInputs = with python3Packages; [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f66d1ff3db2..f4409fff16f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20098,7 +20098,7 @@ in
 
   coyim = callPackage ../applications/networking/instant-messengers/coyim {};
 
-  cq-editor = libsForQt514.callPackage ../applications/graphics/cq-editor {
+  cq-editor = libsForQt5.callPackage ../applications/graphics/cq-editor {
     python3Packages = python37Packages;
   };