diff --git a/metadata/xyz.malkki.neostumbler.fdroid.yml b/metadata/xyz.malkki.neostumbler.fdroid.yml
index 53856bd110..62bdac9fe1 100644
--- a/metadata/xyz.malkki.neostumbler.fdroid.yml
+++ b/metadata/xyz.malkki.neostumbler.fdroid.yml
@@ -114,11 +114,21 @@ Builds:
     versionCode: 25
     commit: 22860a4f98cc40f06884d8b3fd4a84909d2e8d20
     subdir: app
-    gradle:
-      - fdroid
+    output: build/outputs/apk/fdroid/release/app-fdroid-release-unsigned.apk
     prebuild: sed -i -e '/bundletool {/,/^}/d' build.gradle
     scanignore:
       - app/src/androidTest/assets/valid_reports.db.gz
+    build:
+      - mkdir upstream
+      - pushd upstream
+      - curl -L -o upstream.apk https://github.com/mjaakko/NeoStumbler/releases/download/$$VERSION$$/app-fdroid-release.apk
+      - unzip -q upstream.apk
+      - export upstreamhash=$(sha256sum assets/dexopt/baseline.prof|cut -d " " -f1)
+      - popd
+      - for i in {1..10}; do gradle clean assembleFdroidRelease; mkdir local; pushd
+        local; unzip -q ../build/outputs/apk/fdroid/release/app-fdroid-release-unsigned.apk;
+        export localhash=$(sha256sum assets/dexopt/baseline.prof|cut -d " " -f1);
+        [[ $localhash == $upstreamhash ]] && break ; popd; rm -fr local; done
 
 AllowedAPKSigningKeys: 7f839ac7afc4ff6f1c7fb1348ac10de2f17de8a78d0d812c1f43ae835a5111df