diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 663777894e79..75ce887ee4f7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15711,7 +15711,7 @@ self: super: with self; {
   thttp = callPackage ../development/python-modules/thttp { };
 
   tkinter = callPackage ../development/python-modules/tkinter {
-    py = python.override { x11Support=true; };
+    py = python.override (lib.optionalAttrs (!python.isPyPy) { x11Support = true; });
   };
 
   tidalapi = callPackage ../development/python-modules/tidalapi { };