diff --git a/agenta-web/src/hooks/usePostHogAg.ts b/agenta-web/src/hooks/usePostHogAg.ts
index 879bda3a20..42afb230aa 100644
--- a/agenta-web/src/hooks/usePostHogAg.ts
+++ b/agenta-web/src/hooks/usePostHogAg.ts
@@ -8,7 +8,7 @@ export const usePostHogAg = () => {
     const {user} = useProfileData()
     const posthog = usePostHog()
 
-    const _id: string | null = isDemo() ? user?.email : null
+    const _id: string | undefined = isDemo() ? user?.email : null
 
     const capture: typeof posthog.capture = (...args) => {
         if (trackingEnabled && user?.id) {