diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 41f6f12a8c..d8f1f7b3d9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -269,7 +269,7 @@ fdroid build:
           chown -R vagrant $VAGRANT_HOME;
           $fdroid fetchsrclibs $build --verbose;
           $fdroid build --verbose --test --scan-binary --on-server --no-tarball $build;
-          rm -rf build;
+          rm -rf "build/${build%:*}";
           ./tools/build-contains-signatures.py $build || continue;
           apt-get install sudo;
           $fdroid publish --verbose $build;