diff --git a/lib/Cake/Test/Case/Utility/ValidationTest.php b/lib/Cake/Test/Case/Utility/ValidationTest.php
index cc60f7df9..aef449c74 100644
--- a/lib/Cake/Test/Case/Utility/ValidationTest.php
+++ b/lib/Cake/Test/Case/Utility/ValidationTest.php
@@ -2368,9 +2368,11 @@ class ValidationTest extends CakeTestCase {
 	public function testUploadError() {
 		$this->assertTrue(Validation::uploadError(0));
 		$this->assertTrue(Validation::uploadError(array('error' => 0)));
+		$this->assertTrue(Validation::uploadError(array('error' => '0')));
 
 		$this->assertFalse(Validation::uploadError(2));
 		$this->assertFalse(Validation::uploadError(array('error' => 2)));
+		$this->assertFalse(Validation::uploadError(array('error' => '2')));
 	}
 
 /**
diff --git a/lib/Cake/Utility/Validation.php b/lib/Cake/Utility/Validation.php
index e78a956cf..b990b6ca9 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -964,7 +964,7 @@ class Validation {
 			$check = $check['error'];
 		}
 
-		return $check === UPLOAD_ERR_OK;
+		return (int)$check === UPLOAD_ERR_OK;
 	}
 
 /**