diff --git a/types/mongoose/index.d.ts b/types/mongoose/index.d.ts
index 5963be87ed..aa24ca16b1 100644
--- a/types/mongoose/index.d.ts
+++ b/types/mongoose/index.d.ts
@@ -811,11 +811,11 @@ declare module "mongoose" {
      * @param fn callback
      */
     post<T extends Document>(method: string, fn: (
-      error: mongodb.MongoError, doc: T, next: (err?: NativeError) => void
-    ) => void): this;
+        doc: T, next: (err?: NativeError) => void
+      ) => void): this;
 
     post<T extends Document>(method: string, fn: (
-      doc: T, next: (err?: NativeError) => void
+      error: mongodb.MongoError, doc: T, next: (err?: NativeError) => void
     ) => void): this;
 
     /**