diff --git a/kallithea/templates/changeset/changeset.html b/kallithea/templates/changeset/changeset.html
--- a/kallithea/templates/changeset/changeset.html
+++ b/kallithea/templates/changeset/changeset.html
@@ -224,7 +224,7 @@ ${self.repo_context_bar('changelog', c.c
               }
           });
 
-          $('.add-bubble').click(function(e){
+          $('.code-difftable').on('click', '.add-bubble', function(e){
               show_comment_form($(this));
           });
 
diff --git a/kallithea/templates/pullrequests/pullrequest_show.html b/kallithea/templates/pullrequests/pullrequest_show.html
--- a/kallithea/templates/pullrequests/pullrequest_show.html
+++ b/kallithea/templates/pullrequests/pullrequest_show.html
@@ -376,7 +376,7 @@ ${self.repo_context_bar('showpullrequest
       $(document).ready(function(){
           PullRequestAutoComplete('user', 'reviewers_container', _USERS_AC_DATA);
 
-          $('.add-bubble').click(function(e){
+          $('.code-difftable').on('click', '.add-bubble', function(e){
               show_comment_form($(this));
           });