diff --git a/src/app/wyvern/page.tsx b/src/app/wyvern/page.tsx
index 965f1d0..b569ae4 100644
--- a/src/app/wyvern/page.tsx
+++ b/src/app/wyvern/page.tsx
@@ -31,7 +31,7 @@ import { useQueryState } from 'next-usequerystate'
   }
  */
 
-const isMobile = navigator ? navigator.userAgentData?.mobile : false; //resolves true/false
+const isMobile = typeof navigator !== "undefined" ? navigator.userAgentData?.mobile : false; //resolves true/false
 
 function RenderChat() {
 	//const searchParams = useSearchParams()