diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 3937e34..6422f9a 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -26,7 +26,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2
         with:
-          key: ${{ runner.os }}-z64re-ccache-${{ matrix.type }}-${{ matrix.os }}
+          key: ${{ runner.os }}-z64re-ccache-${{ matrix.type }}-${{ matrix.arch }}
       - name: Install Linux Dependencies
         if: runner.os == 'Linux'
         run: |