diff --git a/lib/Cake/Model/CakeSchema.php b/lib/Cake/Model/CakeSchema.php
index 51bab41ab..69d608ba0 100644
--- a/lib/Cake/Model/CakeSchema.php
+++ b/lib/Cake/Model/CakeSchema.php
@@ -617,6 +617,7 @@ class CakeSchema extends CakeObject {
 		foreach ($fields as $value) {
 			if (isset($value['key']) && $value['key'] === 'primary') {
 				$hasPrimaryAlready = true;
+				break;
 			}
 		}