diff --git a/auth.ts b/auth.ts
index e373e10..2db7f5c 100644
--- a/auth.ts
+++ b/auth.ts
@@ -72,7 +72,7 @@ export const {
 
 			if (!exisingUser) return token
 
-			token.isOauth = Boolean(exisingUser.isOauth)
+			token.isOauth = Boolean(exisingUser?.isOauth)
 			token.provider = exisingUser.provider
 			token.role = exisingUser.role
 			token.profileId = exisingUser.profileId