Fix runtime error

vercel · Sep 8, 2020 · 860e2fb · 860e2fb
1 parent 339174d
commit 860e2fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/next/client/head-manager.ts b/packages/next/client/head-manager.ts
@@ -55,7 +55,7 @@ function updateElements(
     while (true) {
       // Note: We don't use for-of here to avoid needing to polyfill it.
       const { done, value } = elementIter.next()
-      if (value.isEqualNode(newTag)) {
+      if (value?.isEqualNode(newTag)) {
         oldTags.delete(value)
         return
       }