diff --git a/.github/workflows/serenity-js-artifacts.yml b/.github/workflows/serenity-js-artifacts.yml
index 35ca9d4971..c87fb24a9e 100644
--- a/.github/workflows/serenity-js-artifacts.yml
+++ b/.github/workflows/serenity-js-artifacts.yml
@@ -80,7 +80,7 @@ jobs:
       - name: Save Caches
         uses: ./.github/actions/cache-save
         with:
-          arch: ${{ matrix.arch }}
+          arch: 'Lagom'
           serenity_ccache_path: ${{ env.SERENITY_CCACHE_DIR }}
           serenity_ccache_primary_key: ${{ steps.cache-restore.outputs.serenity_ccache_primary_key }}
 
diff --git a/.github/workflows/wasm.yml b/.github/workflows/wasm.yml
index cab3db4205..5100326a43 100644
--- a/.github/workflows/wasm.yml
+++ b/.github/workflows/wasm.yml
@@ -81,7 +81,7 @@ jobs:
       - name: Save Caches
         uses: ./.github/actions/cache-save
         with:
-          arch: ${{ matrix.arch }}
+          arch: 'Lagom'
           serenity_ccache_path: ${{ env.SERENITY_CCACHE_DIR }}
           serenity_ccache_primary_key: ${{ steps.cache-restore.outputs.serenity_ccache_primary_key }}