diff --git a/src/Database/Barry/Relations/BelongsTo.php b/src/Database/Barry/Relations/BelongsTo.php
index 256c3d13..aa1cebd5 100644
--- a/src/Database/Barry/Relations/BelongsTo.php
+++ b/src/Database/Barry/Relations/BelongsTo.php
@@ -38,7 +38,7 @@ public function __construct(
      */
     public function getResults(): mixed
     {
-        $key = $this->query->getTable() . ":belongsto:" . $this->related->getTable() . ":" . $this->foreign_key;
+        $key = $this->query->getTable() . ":" . $this->local_key . ":belongsto:" . $this->related->getTable() . ":" . $this->foreign_key;
 
         $cache = Cache::store('file')->get($key);
 
diff --git a/src/Database/Barry/Relations/HasOne.php b/src/Database/Barry/Relations/HasOne.php
index 2639b10e..cb47d921 100644
--- a/src/Database/Barry/Relations/HasOne.php
+++ b/src/Database/Barry/Relations/HasOne.php
@@ -33,7 +33,7 @@ public function __construct(Model $related, Model $parent, string $foreign_key,
      */
     public function getResults(): ?Model
     {
-        $key = $this->query->getTable() . ":hasone:" . $this->related->getTable() . ":" . $this->foreign_key;
+        $key = $this->query->getTable() . ":" . $this->local_key . ":hasone:" . $this->related->getTable() . ":" . $this->foreign_key;
 
         $cache = Cache::store('file')->get($key);