diff --git a/twister-on-docker b/twister-on-docker
index d56dd377..c5b35e0f 100755
--- a/twister-on-docker
+++ b/twister-on-docker
@@ -21,7 +21,7 @@ build)
   ;;
 
 run)
-  if [ $MODE == "--remote" ]; then
+  if [ "$MODE" = "--remote" ]; then
     shift
     IMAGE_NAME=$REMOTE_IMAGE_NAME
     echo Pulling new version of $IMAGE_NAME