diff --git a/packages/client/lib/commands/RPOPLPUSH.ts b/packages/client/lib/commands/RPOPLPUSH.ts
index d388b55ac0..da45f6f602 100644
--- a/packages/client/lib/commands/RPOPLPUSH.ts
+++ b/packages/client/lib/commands/RPOPLPUSH.ts
@@ -9,4 +9,4 @@ export function transformArguments(
     return ['RPOPLPUSH', source, destination];
 }
 
-export declare function transformReply(): number | null;
+export declare function transformReply(): RedisCommandArgument | null;