diff --git a/app/views/projects/issues/show.html.haml b/app/views/projects/issues/show.html.haml
index 2a7d0b0757..f5bb5d998b 100644
--- a/app/views/projects/issues/show.html.haml
+++ b/app/views/projects/issues/show.html.haml
@@ -18,7 +18,7 @@
         %span.hidden-sm.hidden-md.hidden-lg
           = icon('circle-o')
 
-    %a.btn.btn-default.pull-right.visible-xs.gutter-toggle.js-sidebar-toggle{ href: "#" }
+    %a.btn.btn-default.pull-right.visible-xs-block.gutter-toggle.js-sidebar-toggle{ href: "#" }
       = icon('angle-double-left')
 
     .issue-meta
diff --git a/app/views/projects/merge_requests/show/_mr_title.html.haml b/app/views/projects/merge_requests/show/_mr_title.html.haml
index 83b056eef6..a75c0d96c5 100644
--- a/app/views/projects/merge_requests/show/_mr_title.html.haml
+++ b/app/views/projects/merge_requests/show/_mr_title.html.haml
@@ -4,7 +4,7 @@
       = @merge_request.state_human_name
     %span.hidden-sm.hidden-md.hidden-lg
       = icon(@merge_request.state_icon_name)
-  %a.btn.btn-default.pull-right.visible-xs.gutter-toggle.js-sidebar-toggle{ href: "#" }
+  %a.btn.btn-default.pull-right.visible-xs-block.gutter-toggle.js-sidebar-toggle{ href: "#" }
     = icon('angle-double-left')
   .issue-meta
     %strong.identifier