diff --git a/HasCount.php b/HasCount.php
index f5e6945..778e44d 100644
--- a/HasCount.php
+++ b/HasCount.php
@@ -19,7 +19,7 @@ class HasCount extends HasBase
 	 */
 	public function get(): array|ModelInterface|null
 	{
-		$key = $this->model::className() . '_' . $this->primaryId . '_' . $this->value;
+		$key = $this->model . '_' . $this->primaryId . '_' . $this->value;
 		return $this->_relation->count($key);
 	}
 
diff --git a/HasMany.php b/HasMany.php
index a3812b1..a92dd79 100644
--- a/HasMany.php
+++ b/HasMany.php
@@ -27,7 +27,7 @@ class HasMany extends HasBase
 	 */
 	public function get(): array|Collection|null
 	{
-		$key = $this->model::className() . '_' . $this->primaryId . '_' . $this->value;
+		$key = $this->model . '_' . $this->primaryId . '_' . $this->value;
 		return $this->_relation->get(md5($key));
 	}
 }
diff --git a/HasOne.php b/HasOne.php
index 6805e2f..ea25056 100644
--- a/HasOne.php
+++ b/HasOne.php
@@ -26,7 +26,7 @@ class HasOne extends HasBase
 	 */
 	public function get(): array|ModelInterface|null
 	{
-		$key = $this->model::className() . '_' . $this->primaryId . '_' . $this->value;
+		$key = $this->model . '_' . $this->primaryId . '_' . $this->value;
 		return $this->_relation->first(md5($key));
 	}
 }