diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3bdebbf232a4..c83e40f8959f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4232,7 +4232,7 @@ in
 
   jpegrescan = callPackage ../applications/graphics/jpegrescan { };
 
-  jpylyzer = with pythonPackages; toPythonApplication jpylyzer;
+  jpylyzer = with python3Packages; toPythonApplication jpylyzer;
 
   jq = callPackage ../development/tools/jq { };