diff --git a/Dockerfile b/Dockerfile
index bb8f761..70a83f9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ ENV LANG='en_US.UTF-8' \
     PM_UID='1003' \
     PM_GID='1003'
 
-RUN zypper in -n tar get gzip
+RUN zypper -n in tar get gzip
 RUN groupadd -g $PM_GID $PM_GROUP
 RUN useradd -D -u $PM_UID -g $PM_GROUP -M $PM_USER
 RUN mkdir /pmmp