diff --git a/Dockerfile b/Dockerfile
index 3229b18..05c6a6b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
 FROM etherpad/etherpad:1.8.6
 
-RUN npm install prompt_for_name ep_comments_page
\ No newline at end of file
+RUN npm install ep_prompt_for_name ep_comments_page
\ No newline at end of file