diff --git a/app/views/submissions/compiler_msg.js.haml b/app/views/submissions/compiler_msg.js.haml
--- a/app/views/submissions/compiler_msg.js.haml
+++ b/app/views/submissions/compiler_msg.js.haml
@@ -1,4 +1,4 @@
 :plain
   $("#compiler_msg").html("#{j @submission.compiler_message}");
-  $("#compiler").modal();
+  $("#compiler").modal('show');