diff --git a/Dockerfile b/Dockerfile
index e654a92..6f3e3f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,7 @@ echo '\
 >Shell</a>\n\
 {{end}}\n\
 ' > links.tmpl && \
-echo '{"app_name":"Go Playground","no_reconfig":true \
+echo '{"app_name":"Go Playground","no_reconfig":true,"shell": "/bin/bash", \
 ,"files":[{"path":"main.go","name":"Main","action":"go run main.go","order":-1},{"path":"shell.sh","name":"Shell","action":"bash shell.sh","order":1}] \
 ,"hide_config":true,"cust":"."}' > conf.json && \
 echo 'package main\n\