diff --git a/telldus-core/tests/common/StringsTest.cpp b/telldus-core/tests/common/StringsTest.cpp
index c71a0e97..790368a1 100644
--- a/telldus-core/tests/common/StringsTest.cpp
+++ b/telldus-core/tests/common/StringsTest.cpp
@@ -13,7 +13,6 @@ void StringsTest :: tearDown (void)
 
 void StringsTest :: formatfTest (void) {
 	CPPUNIT_ASSERT_EQUAL(std::string("42"), TelldusCore::formatf("%u", 42));
-	CPPUNIT_ASSERT_EQUAL(std::string("0"), TelldusCore::formatf("%u", 42.1));
 	CPPUNIT_ASSERT_EQUAL(std::string("2A"), TelldusCore::formatf("%X", 42));
 	CPPUNIT_ASSERT_EQUAL(std::string("42"), TelldusCore::formatf("%s", "42"));
 }