diff --git a/unit_tests/tests/test_util.cpp b/unit_tests/tests/test_util.cpp
index e140c63b66..f98a26a23f 100644
--- a/unit_tests/tests/test_util.cpp
+++ b/unit_tests/tests/test_util.cpp
@@ -156,10 +156,10 @@ static void testMalfunctionCentralRemoveFirstElement() {
 	clearWarnings();
 	error_codes_set_s localCopy;
 
-	ObdCode firstElement = OBD_TPS1_Correlation;
+	ObdCode firstElement = ObdCode::OBD_TPS1_Correlation;
 	addError(firstElement);
 
-	ObdCode secondElement = OBD_TPS2_Correlation;
+	ObdCode secondElement = ObdCode::OBD_TPS2_Correlation;
 	addError(secondElement);
 	getErrorCodes(&localCopy);
 	ASSERT_EQ(2, localCopy.count);
@@ -185,7 +185,7 @@ TEST(misc, testMalfunctionCentral) {
 	getErrorCodes(&localCopy);
 	ASSERT_EQ(0, localCopy.count);
 
-	ObdCode code = OBD_TPS1_Correlation;
+	ObdCode code = ObdCode::OBD_TPS1_Correlation;
 	// let's add one error and validate
 	addError(code);
 
@@ -199,7 +199,7 @@ TEST(misc, testMalfunctionCentral) {
 	ASSERT_EQ(1, localCopy.count);
 	ASSERT_EQ(code, localCopy.error_codes[0]);
 
-	code = OBD_TPS2_Correlation;
+	code = ObdCode::OBD_TPS2_Correlation;
 	addError(code);
 	getErrorCodes(&localCopy);
 	// todo:	ASSERT_EQ(2, localCopy.count);