diff --git a/tests/KdybyTests/Clock/ConstantProvider.phpt b/tests/KdybyTests/Clock/ConstantProvider.phpt
index 6079bc3..4ea2dcb 100644
--- a/tests/KdybyTests/Clock/ConstantProvider.phpt
+++ b/tests/KdybyTests/Clock/ConstantProvider.phpt
@@ -38,8 +38,8 @@ class ConstantProviderTest extends Tester\TestCase
 
 		Assert::equal($datetime, $tp->getDateTime());
 		Assert::equal($date, $tp->getDate());
-		Assert::equal($time, $tp->getTime());
-		Assert::equal($timezone, $tp->getTimezone());
+		Assert::equal($time->format('%h:%i:%s'), $tp->getTime()->format('%h:%i:%s'));
+		Assert::equal($timezone->getName(), $tp->getTimezone()->getName());
 	}
 
 
diff --git a/tests/KdybyTests/Clock/CurrentProvider.phpt b/tests/KdybyTests/Clock/CurrentProvider.phpt
index c8721b1..4ac2d4c 100644
--- a/tests/KdybyTests/Clock/CurrentProvider.phpt
+++ b/tests/KdybyTests/Clock/CurrentProvider.phpt
@@ -36,8 +36,8 @@ class CurrentProviderTest extends Tester\TestCase
 		sleep(2);
 
 		Assert::notEqual($datetime, $tp->getDateTime());
-		Assert::notEqual($time, $tp->getTime());
-		Assert::equal($timezone, $tp->getTimezone());
+		Assert::notEqual($time->format('%h:%i:%s'), $tp->getTime()->format('%h:%i:%s'));
+		Assert::equal($timezone->getName(), $tp->getTimezone()->getName());
 	}
 
 
diff --git a/tests/KdybyTests/Clock/MutableProvider.phpt b/tests/KdybyTests/Clock/MutableProvider.phpt
index e800e03..9524fc7 100644
--- a/tests/KdybyTests/Clock/MutableProvider.phpt
+++ b/tests/KdybyTests/Clock/MutableProvider.phpt
@@ -38,8 +38,8 @@ class MutableProviderTest extends Tester\TestCase
 
 		Assert::equal($datetime, $tp->getDateTime());
 		Assert::equal($date, $tp->getDate());
-		Assert::equal($time, $tp->getTime());
-		Assert::equal($timezone, $tp->getTimezone());
+		Assert::equal($time->format('%h:%i:%s'), $tp->getTime()->format('%h:%i:%s'));
+		Assert::equal($timezone->getName(), $tp->getTimezone()->getName());
 	}