diff --git a/src/main/twirl/gitbucket/core/helper/commitcomment.scala.html b/src/main/twirl/gitbucket/core/helper/commitcomment.scala.html
index 73d938e..23b2423 100644
--- a/src/main/twirl/gitbucket/core/helper/commitcomment.scala.html
+++ b/src/main/twirl/gitbucket/core/helper/commitcomment.scala.html
@@ -11,7 +11,7 @@
     @if(comment.newLine.isDefined){newline="@comment.newLine.get"}
     @if(comment.oldLine.isDefined){oldline="@comment.oldLine.get"}>
   <div class="issue-avatar-image">@avatarLink(comment.commentedUserName, 48)</div>
-  <div class="panel- panel-default commit-comment-box commit-comment-@comment.commentId">
+  <div class="panel panel-default commit-comment-box commit-comment-@comment.commentId">
     <div class="panel-heading">
       @user(comment.commentedUserName, styleClass="username strong")
         <span class="muted">