From a35c52dee08a4f49da7317c08bf27b179c688071 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sercan=20=C3=87ak=C4=B1r?= <srcnckr@gmail.com>
Date: Fri, 2 Mar 2018 18:21:27 +0300
Subject: [PATCH] Update Model.php (#23362)

---
 src/Illuminate/Database/Eloquent/Model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Illuminate/Database/Eloquent/Model.php b/src/Illuminate/Database/Eloquent/Model.php
index 80c59cbd4b72..c6243e82ef5b 100644
--- a/src/Illuminate/Database/Eloquent/Model.php
+++ b/src/Illuminate/Database/Eloquent/Model.php
@@ -1372,7 +1372,7 @@ public function resolveRouteBinding($value)
      */
     public function getForeignKey()
     {
-        return Str::snake(class_basename($this)).'_'.$this->primaryKey;
+        return Str::snake(class_basename($this)).'_'.$this->getKeyName();
     }
 
     /**