diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index a242b9d..a6ccb20 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -25,7 +25,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ matrix.os }}-z64re-ccache-${{ matrix.type }}
+          key: ${{ matrix.os }}-z64re-ccache-${{ matrix.type }}-${{ matrix.arch }}
       - name: Install Linux Dependencies
         if: runner.os == 'Linux'
         run: |