Fix undefined error

emotion-js · Jun 28, 2017 · 8750217 · 8750217
1 parent ddaedb5
commit 8750217
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/styled.js b/src/styled.js
@@ -1,7 +1,7 @@
 import React from 'react'
 import { css } from './index'
 
-export default function (tag, cls, vars = [], content) {
+export default function (tag, cls = '', vars = [], content) {
   if (!tag) {
     throw new Error(
       'You are trying to create a styled element with an undefined component.\nYou may have forgotten to import it.'