diff --git a/.github/workflows/flutter-nightly.yml b/.github/workflows/flutter-nightly.yml
index a782de229..08b1af79b 100644
--- a/.github/workflows/flutter-nightly.yml
+++ b/.github/workflows/flutter-nightly.yml
@@ -592,7 +592,7 @@ jobs:
             ${{steps.sign-rustdesk.outputs.signedReleaseFile}}
 
       - name: Publish unsigned apk package
-        if: env.ANDROID_SIGNING_KEY != null
+        if: env.ANDROID_SIGNING_KEY == null
         uses: softprops/action-gh-release@v1
         with:
           prerelease: true