diff --git a/mod/html5/Dockerfile b/mod/html5/Dockerfile
index 684c48b..f0b01e6 100644
--- a/mod/html5/Dockerfile
+++ b/mod/html5/Dockerfile
@@ -9,7 +9,7 @@ ARG TAG_HTML5
 
 RUN git clone https://git-x.kongjian.xin/BigBlueButton/bigbluebutton-v2.5.11.git \
     && mv bigbluebutton-v2.5.11/bigbluebutton-html5 / \
-    && rm bigbluebutton-v2.5.11 \
+    && rm -rf bigbluebutton-v2.5.11 \
     && cd /bigbluebutton-html5 \
     && meteor npm ci --production \
     && METEOR_DISABLE_OPTIMISTIC_CACHING=1 meteor build --architecture os.linux.x86_64 --allow-superuser  --directory /app \