diff --git a/.github/workflows/preview-apk.yml b/.github/workflows/preview-apk.yml
index 109a5ba70..8dd204049 100644
--- a/.github/workflows/preview-apk.yml
+++ b/.github/workflows/preview-apk.yml
@@ -40,7 +40,7 @@ jobs:
 
       - uses: Swatinem/rust-cache@v2
         with:
-          working-directory: jni/deltachat-core-rust
+          workspaces: jni/deltachat-core-rust
 
       - name: Get deltachat-core-rust submodule hash
         id: core-hash