diff --git a/modules/issuetracker/issuetracker.view.php b/modules/issuetracker/issuetracker.view.php
index 72a5bc778..1ad334ad6 100644
--- a/modules/issuetracker/issuetracker.view.php
+++ b/modules/issuetracker/issuetracker.view.php
@@ -277,6 +277,7 @@
                                     </script> 
 dpScript;
                                 Context::addHtmlFooter($js_code);
+                                Context::set('file_ext', $file_ext);
                             }
                         }
                         Context::set('file_type', $file_type);
diff --git a/modules/issuetracker/skins/xe_issuetracker/source_file_view.html b/modules/issuetracker/skins/xe_issuetracker/source_file_view.html
index 8169ca614..9b09bd489 100644
--- a/modules/issuetracker/skins/xe_issuetracker/source_file_view.html
+++ b/modules/issuetracker/skins/xe_issuetracker/source_file_view.html
@@ -15,7 +15,7 @@
     <!--@end-->
 </ol>
 <br />
-<pre class="brush: cpp;">
+<pre <!--@if($file_ext)-->class="brush: {$file_ext};"<!--@endif--> >
 <!--@if($file_type == "code")-->
 {htmlspecialchars($content->content)}
 <!--@elseif($file_type == "document")-->