diff --git a/Chapter15/src/components/Carlist.tsx b/Chapter15/src/components/Carlist.tsx
index 85bd2ce..8e5f4ad 100644
--- a/Chapter15/src/components/Carlist.tsx
+++ b/Chapter15/src/components/Carlist.tsx
@@ -13,8 +13,8 @@ function Carlist() {
  
   const queryClient = useQueryClient();
 
-  const { data, isError, isLoading } = useQuery({
-    queryKey: ["cars"], 
+  const { data, isError, isLoading, isSuccess } = useQuery({
+    queryKey: ["cars"],
     queryFn: getCars
   });
 
@@ -72,7 +72,7 @@ function Carlist() {
   else if (isError) {
     return <span>Error when fetching cars...</span>
   }
-  else {
+  else if (isSuccess) {
     return ( 
       <>
         <AddCar />