diff --git a/pkgs/development/python-modules/scikit-learn/default.nix b/pkgs/development/python-modules/scikit-learn/default.nix
index 6f4ad1d2bd15..e7ac79b42837 100644
--- a/pkgs/development/python-modules/scikit-learn/default.nix
+++ b/pkgs/development/python-modules/scikit-learn/default.nix
@@ -38,7 +38,6 @@ buildPythonPackage rec {
 
   buildInputs = [
     pillow
-    gfortran
     glibcLocales
   ] ++ lib.optionals stdenv.cc.isClang [
     llvmPackages.openmp
@@ -46,6 +45,7 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [
     cython
+    gfortran
   ];
 
   propagatedBuildInputs = [