diff --git a/lib/addStylesClient.js b/lib/addStylesClient.js
index 920b00bb..d05d5f0e 100644
--- a/lib/addStylesClient.js
+++ b/lib/addStylesClient.js
@@ -100,8 +100,10 @@ function addStylesToDom (styles /* Array<StyleObject> */) {
       }
     } else {
       var parts = []
-      for (var j = 0; j < item.parts.length; j++) {
-        parts.push(addStyle(item.parts[j]))
+      if (typeof document !== 'undefined') {
+        for (var j = 0; j < item.parts.length; j++) {
+          parts.push(addStyle(item.parts[j]))
+        }
       }
       stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }
     }