diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 831d03b8ec43..df4c1c929610 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8580,7 +8580,7 @@ with pkgs;
 
   pycangjie = pythonPackages.pycangjie;
 
-  pycflow2dot = with python.pkgs; toPythonApplication pycflow2dot;
+  pycflow2dot = with python3.pkgs; toPythonApplication pycflow2dot;
 
   pydb = callPackage ../development/tools/pydb { };