diff --git a/.github/workflows/pr_test_build_linux.yml b/.github/workflows/pr_test_build_linux.yml
index c1a3a3be4..7935dd177 100644
--- a/.github/workflows/pr_test_build_linux.yml
+++ b/.github/workflows/pr_test_build_linux.yml
@@ -75,7 +75,7 @@ jobs:
           path: |
             /opt/android/cake_wallet/cw_haven/android/.cxx
             /opt/android/cake_wallet/scripts/monero_c/release
-          key: ${{ hashFiles('**/prepare_moneroc.sh' ,'**/build_monero_all.sh' ,'**/cache_dependencies.yml') }}
+          key: linux_${{ hashFiles('**/prepare_moneroc.sh' ,'**/build_monero_all.sh' ,'**/cache_dependencies.yml') }}
 
       - if: ${{ steps.cache-externals.outputs.cache-hit != 'true' }}
         name: Generate Externals