diff --git a/plugins/c9.ide.layout.classic/less/editor_tab.less b/plugins/c9.ide.layout.classic/less/editor_tab.less
index c9a2aa39..28ea4f0a 100644
--- a/plugins/c9.ide.layout.classic/less/editor_tab.less
+++ b/plugins/c9.ide.layout.classic/less/editor_tab.less
@@ -191,6 +191,7 @@
     height      : @pane-button-height + 3;
     z-index     : 10;
     margin-top  : -1px;
+    min-width   : 100px;
 }
 body>.session_btn.curbtn{
     cursor : default;
@@ -538,4 +539,4 @@ body>.session_btn.curbtn{
 }
 .editor_tab .session_page.curpage{
     display : block;
-}
\ No newline at end of file
+}