diff --git a/alib2algo/test-src/stringology/exact/stringMatchTest.cpp b/alib2algo/test-src/stringology/exact/stringMatchTest.cpp
index 8e3c28a215da2bd9eb2e548bbeb9ff61599ab5f0..cc261c88c9be6fc975ab859450208c2f3020448c 100644
--- a/alib2algo/test-src/stringology/exact/stringMatchTest.cpp
+++ b/alib2algo/test-src/stringology/exact/stringMatchTest.cpp
@@ -17,6 +17,6 @@ void stringMatchTest::testStringMatch() {
 	string::LinearString < > linear1({DefaultSymbolType(0), DefaultSymbolType(1), DefaultSymbolType(2), DefaultSymbolType(3)});
 	string::LinearString < > linear2({DefaultSymbolType(1), DefaultSymbolType(2), DefaultSymbolType(3)});
 
-	CPPUNIT_ASSERT ( stringology::exact::ExactFactorMatch::match ( linear1, linear2 ).count ( 1 ) );
+	CPPUNIT_ASSERT ( stringology::exact::ExactFactorMatch::match ( linear1, linear2 ).count ( 1u ) );
 }