diff --git a/lib/components/tab.js b/lib/components/tab.js
index 1c4050fa..9a15ce0f 100644
--- a/lib/components/tab.js
+++ b/lib/components/tab.js
@@ -85,7 +85,7 @@ export default class Tab extends Component {
       },
 
       first: {
-        marginLeft: '76px'
+        marginLeft: process.platform === 'darwin' ? 76 : 0
       },
 
       active: {