diff --git a/ide-theia/Dockerfile b/ide-theia/Dockerfile
index 39f2c1b6..6d42bb48 100644
--- a/ide-theia/Dockerfile
+++ b/ide-theia/Dockerfile
@@ -2,4 +2,6 @@ FROM theiaide/theia
 
 LABEL maintainer="ahkui <ahkui@outlook.com>"
 
-RUN echo 'fs.inotify.max_user_watches=524288' >> /etc/sysctl.conf
\ No newline at end of file
+USER root
+
+RUN echo 'fs.inotify.max_user_watches=524288' >> /etc/sysctl.conf