diff --git a/deploy.sh b/deploy.sh
index 939b92b9..72d00f76 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -25,11 +25,13 @@ else
                 echo "Deploying service: $2"
                 $BASE_CMD --tags setup_services --extra-vars "single_service=$2"
             fi
-	    ;;
+        ;;
         "base")
             $BASE_CMD --tags base_only
-	    ;;
+        ;;
         *)
-            echo "Command \"$1\" not found!"
+            echo >&2 "Command \"$1\" not found!"
+            exit 1
+        ;;
     esac
 fi