diff --git a/.github/actions/build-llvm/action.yml b/.github/actions/build-llvm/action.yml
index d1265c6..78bbe3a 100644
--- a/.github/actions/build-llvm/action.yml
+++ b/.github/actions/build-llvm/action.yml
@@ -103,7 +103,7 @@ runs:
         append-timestamp: false
         max-size: "2G"
         verbose: 2
-        save: ${{ inputs.save-ccache || github.event_name == 'push' && !startsWith(github.ref, 'refs/tags/') }}
+        save: ${{ inputs.save-ccache == 'true' || github.event_name == 'push' && !startsWith(github.ref, 'refs/tags/') }}
 
     # CCACHE_BASEDIR, CCACHE_NOHASHDIR, and CCACHE_COMPILERCHECK
     # are allowing to cache compiler output across different