diff --git a/src/index.js b/src/index.js
index 67d594cd..ac9fb62a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -398,7 +398,7 @@ const ScrollableTabView = createReactClass({
       tabBarProps.textStyle = this.props.tabBarTextStyle;
     }
     if (this.props.tabBarUnderlineStyle) {
-      tabBarProps.underlineStyle = this.props.tabBarUnderlineStyle;
+      tabBarProps.tabBarUnderlineStyle = this.props.tabBarUnderlineStyle;
     }
     if (overlayTabs) {
       tabBarProps.style = {