diff --git a/app/views/application/_submission_short.html.haml b/app/views/application/_submission_short.html.haml
--- a/app/views/application/_submission_short.html.haml
+++ b/app/views/application/_submission_short.html.haml
@@ -22,7 +22,9 @@
   %strong View:
   - if GraderConfiguration.show_grading_result
     = link_to '[detailed result]', :action => 'result', :id => submission.id
-  = link_to "#{t 'main.cmp_msg'}", {:action => 'compiler_msg', :id => submission.id}, {popup: true,class: 'btn btn-xs btn-info'} if submission.graded_at
+  - if submission.graded_at
+    %button.btn.btn-info.btn-xs{type: 'button', data: {toggle: 'modal', target: '#compiler'}}
+      =t 'main.cmp_msg'
   = link_to "#{t 'main.src_link'}", download_submission_path(submission.id), class: 'btn btn-xs btn-info'
   = link_to "#{t 'main.submissions_link'}", problem_submissions_path(problem_id), class: 'btn btn-xs btn-info'
 
diff --git a/app/views/submissions/edit.html.haml b/app/views/submissions/edit.html.haml
--- a/app/views/submissions/edit.html.haml
+++ b/app/views/submissions/edit.html.haml
@@ -51,6 +51,18 @@
       %h2 Console
       %textarea#console{style: 'height: 100%; width: 100%;background-color:#000;color:#fff;font-family: consolas, monaco, "Droid Sans Mono";',rows: 20}
 
+.modal.fade#compiler{tabindex: -1,role: 'dialog'}
+  .modal-dialog.modal-lg{role:'document'}
+    .modal-content
+      .modal-header
+        %button.close{type: 'button', data: {dismissed: :modal}, aria: {label: 'close'}}
+          %span{aria: {hidden: 'true'}, data: {dismiss: 'modal'}} ×
+        %h4 Compiler message
+      .modal-body
+        %pre#compiler_msg= @submission.compiler_message
+      .modal-footer
+        %button.btn.btn-default{type: 'button', data: {dismiss: 'modal'}} Close
+
 :javascript
   $(document).ready(function() {
     e = ace.edit("editor")