diff --git a/.github/actions/before-install/action.yml b/.github/actions/before-install/action.yml
index 2c9e2dc19b..ac9a61645c 100644
--- a/.github/actions/before-install/action.yml
+++ b/.github/actions/before-install/action.yml
@@ -68,7 +68,7 @@ runs:
         echo "Setting up CI flags for Pull Request on develop branch"
         NX_CALCULATION_FLAGS="--base=origin/${GITHUB_BASE_REF} --head=$HEAD_HASH"
         echo "NX_CALCULATION_FLAGS=$NX_CALCULATION_FLAGS" >> $GITHUB_ENV
-        BASE_HASH="origin/GITHUB_BASE_REF${}"
+        BASE_HASH="origin/${GITHUB_BASE_REF}"
 
     - name: SCHEDULE
       if: ${{ github.event_name == 'schedule' }}