diff --git a/packages/better-auth/src/plugins/generic-oauth/index.ts b/packages/better-auth/src/plugins/generic-oauth/index.ts
index 76b752c2bb..ecb302d73a 100644
--- a/packages/better-auth/src/plugins/generic-oauth/index.ts
+++ b/packages/better-auth/src/plugins/generic-oauth/index.ts
@@ -329,7 +329,7 @@ export const genericOAuth = (options: GenericOAuthOptions) => {
 								emailVerified: userInfo?.emailVerified,
 								image: userInfo?.image,
 								name: userInfo?.name,
-								...c.mapProfileToUser?.(userInfo),
+								...(await c.mapProfileToUser?.(userInfo)),
 							},
 							data: userInfo,
 						};