diff --git a/pkgs/development/interpreters/python/build-python-package-wheel.nix b/pkgs/development/interpreters/python/build-python-package-wheel.nix
index 7be0a4c304a3..e3c4e13c0e2d 100644
--- a/pkgs/development/interpreters/python/build-python-package-wheel.nix
+++ b/pkgs/development/interpreters/python/build-python-package-wheel.nix
@@ -8,7 +8,7 @@
 attrs // {
   unpackPhase = ''
     mkdir dist
-    cp $src dist/"''${src#*-}"
+    cp "$src" "dist/$(stripHash "$src")"
   '';
 
   # Wheels are pre-compiled