diff --git a/ext/validation.c b/ext/validation.c
index 494f8f7656c..bef7f644efd 100644
--- a/ext/validation.c
+++ b/ext/validation.c
@@ -338,7 +338,7 @@ PHP_METHOD(Phalcon_Validation, getMessages){
 /**
  * Appends a message to the messages list
  *
- * @param Phalcon\Validation\MessageInterface $message
+ * @param Phalcon\Validation\Message $message
  * @return Phalcon\Validation
  */
 PHP_METHOD(Phalcon_Validation, appendMessage){
@@ -367,22 +367,23 @@ PHP_METHOD(Phalcon_Validation, bind){
 
 	zval *entity, *data;
 
-	phalcon_fetch_params(0, 2, 0, &entity, &data);
+	PHALCON_MM_GROW();
+	
+	phalcon_fetch_params(1, 2, 0, &entity, &data);
 	
 	if (Z_TYPE_P(entity) != IS_OBJECT) {
 		PHALCON_THROW_EXCEPTION_STR(phalcon_validation_exception_ce, "The entity must be an object");
 		return;
 	}
-	if (Z_TYPE_P(data) != IS_ARRAY) { 
-		if (Z_TYPE_P(data) != IS_OBJECT) {
-			PHALCON_THROW_EXCEPTION_STR(phalcon_validation_exception_ce, "The data to validate must be an array or object");
-			return;
-		}
+	if (Z_TYPE_P(data) != IS_ARRAY && Z_TYPE_P(data) != IS_OBJECT) { 
+		PHALCON_THROW_EXCEPTION_STR(phalcon_validation_exception_ce, "The data to validate must be an array or object");
+		return;
 	}
 	
 	phalcon_update_property_this(this_ptr, SL("_entity"), entity TSRMLS_CC);
 	phalcon_update_property_this(this_ptr, SL("_data"), data TSRMLS_CC);
 	
+	PHALCON_MM_RESTORE();
 	RETURN_THISW();
 }
 
diff --git a/unit-tests/ValidationTest.php b/unit-tests/ValidationTest.php
index 82f61367e8c..4c223043fc4 100644
--- a/unit-tests/ValidationTest.php
+++ b/unit-tests/ValidationTest.php
@@ -838,4 +838,16 @@ public function testValidationFiltering()
 		$_POST = array();
 	}
 
+
+	public function testIssue743()
+	{
+		$v = new Phalcon\Validation;
+		try {
+			$v->bind(0, 0);
+		}
+		catch (Exception $e) {
+			$this->assertTrue(true);
+		}
+	}
+
 }