diff --git a/plugins/c9.ide.layout.classic/less/splitter.less b/plugins/c9.ide.layout.classic/less/splitter.less
index 928f487c..466d46d5 100644
--- a/plugins/c9.ide.layout.classic/less/splitter.less
+++ b/plugins/c9.ide.layout.classic/less/splitter.less
@@ -1,6 +1,6 @@
 .splitter {
     position : relative;
-    z-index  : 10000;
+    z-index  : 100000;
     .box-sizing(border-box);
 }