diff --git a/ci.sh b/ci.sh
index 2c382be6..6c20c65a 100755
--- a/ci.sh
+++ b/ci.sh
@@ -39,7 +39,7 @@ sign_apk_standalone () {
 
 sign_apk_fdroid () {
   podman_offline "/var/lib/builder/fdroid" rm -rf unsigned/*
-  podman_offline "/var/lib/builder/fdroid" bash -c "if [[ ! -f repo/"$APP_NAME"_"$APP_BUILD_ID".apk ]]; then cp ../src/build/app/outputs/flutter-apk/app-release.apk unsigned/"$APP_NAME"_"$APP_BUILD_ID".apk; fi"
+  podman_offline "/var/lib/builder/fdroid" test ! -f repo/"$APP_NAME"_"$APP_BUILD_ID".apk && cp ../src/build/app/outputs/flutter-apk/app-release.apk unsigned/"$APP_NAME"_"$APP_BUILD_ID".apk
   podman_offline "/var/lib/builder/fdroid" fdroid publish
   podman_offline "/var/lib/builder/fdroid" fdroid update
 }