diff --git a/pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix b/pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix
index 05798cbaf1b8..572cbdccbfb2 100644
--- a/pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix
+++ b/pkgs/development/interpreters/python/tests/test_nix_pythonprefix/default.nix
@@ -4,7 +4,7 @@ let
 
   python = let
     packageOverrides = self: super: {
-      typeddep = super.callPackage ./typeddep {};
+      typeddep = self.callPackage ./typeddep {};
     };
   in interpreter.override {inherit packageOverrides; self = python;};