diff --git a/src/index.styl b/src/index.styl
index 6999f56..ac51a6e 100644
--- a/src/index.styl
+++ b/src/index.styl
@@ -73,6 +73,9 @@ input-select-style()
       &:last-child
         border-right: 0
 
+    .rt-th:focus
+      outline: none
+
     .rt-resizable-header
       overflow: visible
       &:last-child