diff --git a/src/shared/schemas.ts b/src/shared/schemas.ts
index 22c61e0..b0108d2 100644
--- a/src/shared/schemas.ts
+++ b/src/shared/schemas.ts
@@ -136,7 +136,7 @@ export const bulkUpsertGlobalItemsSchema = z.object({
 // Profile schemas
 export const updateProfileSchema = z.object({
 	displayName: z.string().max(100).optional(),
-	avatarUrl: z.string().optional(),
+	avatarUrl: z.string().nullable().optional(),
 	bio: z.string().max(500).optional(),
 });