diff --git a/.forgejo/workflows/check.yml b/.forgejo/workflows/check.yml
index 6ff7751..c37ae36 100644
--- a/.forgejo/workflows/check.yml
+++ b/.forgejo/workflows/check.yml
@@ -35,7 +35,9 @@ jobs:
           gc-max-store-size-linux: 10000000000
 
           purge-caches: true
-          purge-key: cache-${{ runner.os }}-nix-store-
+          purge-keys: |
+            cache-x86_64-${{ runner.os }}-nix-store-
+            cache-${{ runner.os }}-nix-store-
           purge-created: true
           purge-created-max-age: 42
       - name: echo if no cache hit