diff --git a/src/Illuminate/Database/Eloquent/Model.php b/src/Illuminate/Database/Eloquent/Model.php
index 1d7362deb058..a23c46350b8b 100644
--- a/src/Illuminate/Database/Eloquent/Model.php
+++ b/src/Illuminate/Database/Eloquent/Model.php
@@ -516,6 +516,10 @@ public function load($relations)
      */
     public function loadMorph($relation, $relations)
     {
+        if (! $this->{$relation}) {
+            return $this;
+        }
+
         $className = get_class($this->{$relation});
 
         $this->{$relation}->load($relations[$className] ?? []);
@@ -562,6 +566,10 @@ public function loadCount($relations)
      */
     public function loadMorphCount($relation, $relations)
     {
+        if (! $this->{$relation}) {
+            return $this;
+        }
+
         $className = get_class($this->{$relation});
 
         $this->{$relation}->loadCount($relations[$className] ?? []);