diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb415626..c6d9af26 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -59,5 +59,5 @@ release:
     WEBDAV_USERNAME: "GitNexBot"
     PLUGIN_FILE: "signed.apk"
   script:
-    - [[ $CI_COMMIT_REF_NAME == *"-rc"* ]] && echo "Upload blocked. Build seems to be a release candidate." && exit 0
+    - "[[ $CI_COMMIT_REF_NAME == *'-rc'* ]] && echo 'Upload blocked. Build seems to be a release candidate.' && exit 0"
     - curl -T "$PLUGIN_FILE" -u "$WEBDAV_USERNAME":"$WEBDAV_PASSWORD" 'https://cloud.swatian.com/remote.php/dav/files/GitNexBot/gitnex/releases/'"$CI_COMMIT_REF_NAME"'.apk'