diff --git a/src/DI/ValidatorExtension.php b/src/DI/ValidatorExtension.php
index dcbda36..d78322a 100644
--- a/src/DI/ValidatorExtension.php
+++ b/src/DI/ValidatorExtension.php
@@ -16,7 +16,7 @@
 use Nette;
 use Nette\DI\Compiler;
 use Nette\Utils\Validators;
-
+use Symfony\Component\Validator\Constraints\Email;
 
 
 /**
@@ -37,7 +37,8 @@ class ValidatorExtension extends Nette\DI\CompilerExtension implements ITranslat
 		'cache' => 'default',
 		'translationDomain' => NULL,
 		'debug' => '%debugMode%',
-		'strictEmail' => FALSE,
+		'strictEmail' => NULL,
+        'emailValidationMode' => \Symfony\Component\Validator\Constraints\Email::VALIDATION_MODE_LOOSE
 	];
 
 
@@ -80,12 +81,18 @@ public function loadConfiguration()
 			->setClass('Symfony\Component\Validator\Validator\ValidatorInterface')
 			->setFactory('Symfony\Component\Validator\Validator\RecursiveValidator');
 
-		Validators::assertField($config, 'strictEmail', 'boolean');
+		if ($config['strictEmail'] !== NULL) {
+            Validators::assertField($config, 'strictEmail', 'boolean');
+            trigger_error('`strictEmail` configuration option is deprecated, use `emailValidationMode` instead.', E_USER_DEPRECATED);
+            $config['emailValidationMode'] = Email::VALIDATION_MODE_LOOSE;
+        }
+
+        Validators::assertField($config, 'emailValidationMode', 'string');
 
 		$builder->addDefinition($this->prefix('constraint.email'))
 			->setClass('Symfony\Component\Validator\Constraints\EmailValidator')
 			->setArguments([
-				'strict' => $config['strictEmail'],
+				'defaultMode' => $config['emailValidationMode'],
 			])
 			->addTag(self::TAG_CONSTRAINT_VALIDATOR);
 
diff --git a/tests/KdybyTests/Validator/Extension.phpt b/tests/KdybyTests/Validator/Extension.phpt
index 0ccff8e..d873d7e 100644
--- a/tests/KdybyTests/Validator/Extension.phpt
+++ b/tests/KdybyTests/Validator/Extension.phpt
@@ -118,9 +118,9 @@ class ExtensionTest extends Tester\TestCase
 	public function strictEmailDataProvider()
 	{
 		return [
-			[[], FALSE],
-			[[__DIR__ . '/config/strict-email.neon'], TRUE],
-			[[__DIR__ . '/config/non-strict-email.neon'], FALSE],
+			[[], 'loose'],
+			[[__DIR__ . '/config/strict-email.neon'], 'strict'],
+			[[__DIR__ . '/config/non-strict-email.neon'], 'loose'],
 		];
 	}
 
@@ -138,7 +138,8 @@ class ExtensionTest extends Tester\TestCase
 		$validator = $factory->getInstance(new \Symfony\Component\Validator\Constraints\Email());
 		Tester\Assert::type('Symfony\Component\Validator\Constraints\EmailValidator', $validator);
 
-		$property = new \ReflectionProperty('Symfony\Component\Validator\Constraints\EmailValidator', 'isStrict');
+		$property = new \ReflectionProperty('Symfony\Component\Validator\Constraints\EmailValidator', 'defaultMode');
+
 		$property->setAccessible(TRUE);
 		Tester\Assert::same($strict, $property->getValue($validator));
 	}
diff --git a/tests/KdybyTests/Validator/config/non-strict-email.neon b/tests/KdybyTests/Validator/config/non-strict-email.neon
index bfc7ea2..9191f75 100644
--- a/tests/KdybyTests/Validator/config/non-strict-email.neon
+++ b/tests/KdybyTests/Validator/config/non-strict-email.neon
@@ -1,2 +1,2 @@
 validator:
-	strictEmail: false
+	emailValidationMode: 'loose'
diff --git a/tests/KdybyTests/Validator/config/strict-email.neon b/tests/KdybyTests/Validator/config/strict-email.neon
index 7a74426..7809444 100644
--- a/tests/KdybyTests/Validator/config/strict-email.neon
+++ b/tests/KdybyTests/Validator/config/strict-email.neon
@@ -1,2 +1,2 @@
 validator:
-	strictEmail: true
+	emailValidationMode: 'strict'