diff --git a/src/inject.css b/src/inject.css
index 57dc5df..57008e7 100755
--- a/src/inject.css
+++ b/src/inject.css
@@ -37,6 +37,7 @@ html.octotree {
     margin: 10px 5px;
     height: 20px;
     white-space: nowrap;
+    overflow: hidden;
     text-overflow: ellipsis;
 }