diff --git a/src/main/twirl/gitbucket/core/issues/editissue.scala.html b/src/main/twirl/gitbucket/core/issues/editissue.scala.html
index 3ff2482..1fab57c 100644
--- a/src/main/twirl/gitbucket/core/issues/editissue.scala.html
+++ b/src/main/twirl/gitbucket/core/issues/editissue.scala.html
@@ -12,6 +12,7 @@
   var callback = function(data){
     $('#update, #cancel').removeAttr('disabled');
     $('#issueContent').empty().html(data.content);
+    prettyPrint();
   };
 
   $('#update-issue').click(function(){