diff --git a/app/controllers/projects/comments_controller.rb b/app/controllers/projects/comments_controller.rb
index e1f7f1073..d8f819958 100644
--- a/app/controllers/projects/comments_controller.rb
+++ b/app/controllers/projects/comments_controller.rb
@@ -12,7 +12,7 @@ class Projects::CommentsController < Projects::BaseController
     anchor = ''
     if !@comment.set_additional_data params
       flash[:error] = I18n.t("flash.comment.save_error")
-    elsif @comment.save
+    elsif @comment.save && touch_issue
       flash[:notice] = I18n.t("flash.comment.saved")
       anchor = view_context.comment_anchor(@comment)
     else
@@ -26,7 +26,7 @@ class Projects::CommentsController < Projects::BaseController
   end
 
   def update
-    status, message = if @comment.update_attributes(params[:comment])
+    status, message = if @comment.update_attributes(params[:comment]) && touch_issue
       [200, view_context.markdown(@comment.body)]
     else
       [400, view_context.local_alert(@comment.errors.full_messages.join('. '))]
@@ -35,7 +35,7 @@ class Projects::CommentsController < Projects::BaseController
   end
 
   def destroy
-    @comment.destroy
+    @comment.destroy && touch_issue
     flash[:notice] = t("flash.comment.destroyed")
     redirect_to project_commentable_path(@project, @commentable)
   end
@@ -47,6 +47,11 @@ class Projects::CommentsController < Projects::BaseController
 
   protected
 
+  def touch_issue
+    return true unless @comment.issue_comment?
+    @comment.commentable.touch
+  end
+
   def find_commentable
     @commentable = params[:issue_id].present? && @project.issues.find_by_serial_id(params[:issue_id]) ||
                    params[:commit_id].present? && @project.repo.commit(params[:commit_id])