diff --git a/entrypoint.sh.tmpl b/entrypoint.sh.tmpl
index 7a677fe..b6fc9cf 100644
--- a/entrypoint.sh.tmpl
+++ b/entrypoint.sh.tmpl
@@ -30,7 +30,9 @@ main() {
   set -eu
 
   load_vars
-  mkdir "/hedgedoc/.npm" && chown -R 10000:65534 "/hedgedoc/.npm" && chmod "u+rwx" "/hedgedoc/.npm"
+  mkdir -p "/hedgedoc/.npm" && \
+    chown -R 10000:65534 "/hedgedoc/.npm" && \
+    chmod "u+rwx" "/hedgedoc/.npm"
 }
 
 main