diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 283c9fc4..fd4a3773 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -253,7 +253,7 @@ jobs:
       - name: create build directory
         # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
         # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_Fortran_COMPILER=gfortran-12 -DNETCDF=ON -DTASK=vortex
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DNETCDF=ON -DTASK=vortex
 
       - name: Build
         # Build your program with the given configuration
@@ -352,7 +352,7 @@ jobs:
       - name: create build directory
         # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
         # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_Fortran_COMPILER=gfortran-12 -DTASK=juno
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DTASK=juno
 
       - name: build
         # Build your program with the given configuration