diff --git a/pkgs/development/interpreters/python/build-python-package-common.nix b/pkgs/development/interpreters/python/build-python-package-common.nix
index 63936a00b39..381606acd8b 100644
--- a/pkgs/development/interpreters/python/build-python-package-common.nix
+++ b/pkgs/development/interpreters/python/build-python-package-common.nix
@@ -12,7 +12,7 @@
 attrs // {
   buildInputs = buildInputs ++ [ bootstrapped-pip ];
 
-  configurePhase = ''
+  configurePhase = attrs.configurePhase or ''
     runHook preConfigure
     runHook postConfigure
   '';
@@ -29,4 +29,4 @@ attrs // {
 
     runHook postInstall
   '';
-}
\ No newline at end of file
+}