diff --git a/src/app/api/websites/[websiteId]/metrics/route.ts b/src/app/api/websites/[websiteId]/metrics/route.ts
index c0958739..1c3c804c 100644
--- a/src/app/api/websites/[websiteId]/metrics/route.ts
+++ b/src/app/api/websites/[websiteId]/metrics/route.ts
@@ -125,7 +125,7 @@ function getChannels(data: { domain: string; query: string; visitors: number }[]
 
   const match = (value: string) => {
     return (str: string | RegExp) => {
-      return typeof str === 'string' ? value.includes(str) : (str as RegExp).test(value);
+      return typeof str === 'string' ? value?.includes(str) : (str as RegExp).test(value);
     };
   };