diff --git a/pkgs/development/python-modules/scipy/default.nix b/pkgs/development/python-modules/scipy/default.nix
index 3bbd316e8178..1673a33becc2 100644
--- a/pkgs/development/python-modules/scipy/default.nix
+++ b/pkgs/development/python-modules/scipy/default.nix
@@ -243,7 +243,7 @@ buildPythonPackage (finalAttrs: {
     };
   };
 
-  SCIPY_USE_G77_ABI_WRAPPER = 1;
+  env.SCIPY_USE_G77_ABI_WRAPPER = 1;
 
   meta = {
     changelog = "https://github.com/scipy/scipy/releases/tag/v${finalAttrs.version}";