diff --git a/src/index.ts b/src/index.ts
index 5b52ff85..55f5743f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -133,7 +133,7 @@ export function setCookie(
   }
 
   if (isBrowser()) {
-    if (options.httpOnly) {
+    if (options && options.httpOnly) {
       throw new Error("Can not set a httpOnly cookie in the browser.")
     }