diff --git a/.github/workflows/source_tests.yml b/.github/workflows/source_tests.yml
index 118a0d6..c2116a1 100644
--- a/.github/workflows/source_tests.yml
+++ b/.github/workflows/source_tests.yml
@@ -42,7 +42,7 @@ jobs:
             - name: Add fortran compiler (gfortran) for scipy
               run: |
                 if [[ "$RUNNER_OS" == "macOS" ]]; then
-                  export gfortran=gfortran-14
+                  alias gfortran=gfortran-14
                   gfortran -V
                 fi