diff --git a/framework/collections/CMap.php b/framework/collections/CMap.php
index f354fad90..91ae8c0c4 100644
--- a/framework/collections/CMap.php
+++ b/framework/collections/CMap.php
@@ -326,7 +326,7 @@ class CMap extends CComponent implements IteratorAggregate,ArrayAccess,Countable
 	/**
 	 * Sets the element at the specified offset.
 	 * This method is required by the interface ArrayAccess.
-	 * @param integer $offset the offset to set element
+	 * @param mixed $offset the offset to set element
 	 * @param mixed $item the element value
 	 */
 	#[ReturnTypeWillChange]