diff --git a/packages/create-emotion/src/index.js b/packages/create-emotion/src/index.js
index 587d1d516..3c4230706 100644
--- a/packages/create-emotion/src/index.js
+++ b/packages/create-emotion/src/index.js
@@ -312,7 +312,7 @@ function createEmotion(
     caches.registered = {}
   }
 
-  if (typeof window !== 'undefined') {
+  if (isBrowser) {
     let chunks = Array.from(document.querySelectorAll(`[data-emotion-${key}]`))
     chunks.forEach(node => {
       // $FlowFixMe
diff --git a/packages/create-emotion/src/utils.js b/packages/create-emotion/src/utils.js
index 313f7db61..a9b46a2f3 100644
--- a/packages/create-emotion/src/utils.js
+++ b/packages/create-emotion/src/utils.js
@@ -71,7 +71,7 @@ export const classnames = (args: Array<ClassNameArg>): string => {
   return cls
 }
 
-export const isBrowser = typeof window !== 'undefined'
+export const isBrowser = typeof document !== 'undefined'
 
 export type PrefixOption =
   | boolean