diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index c4c9d05..426bab3 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -18,8 +18,8 @@ jobs:
     - name: 'Create env file'
       run: |
         touch .env
-        echo cc="gcc" >> .env
-        echo bc="bison >> .env
+        echo CC="gcc" >> .env
+        echo BC="bison" >> .env
         cat .env
     - name: make
       run: make