diff --git a/unit_tests/logicdata_csv_reader.h b/unit_tests/logicdata_csv_reader.h
index 234f0a6bcf..2d26456e26 100644
--- a/unit_tests/logicdata_csv_reader.h
+++ b/unit_tests/logicdata_csv_reader.h
@@ -18,7 +18,7 @@ public:
 	}
 	~CsvReader();
 
-	void open(const char *fileName, const int* columnIndeces);
+	void open(const char *fileName, const int* columnIndeces = SINGLE_TRIGGER_FIRST);
 	bool haveMore();
 	void processLine(EngineTestHelper *eth);
 	void readLine(EngineTestHelper *eth);
diff --git a/unit_tests/tests/trigger/test_real_gm_24x.cpp b/unit_tests/tests/trigger/test_real_gm_24x.cpp
index 248dc06ae0..1d7fe4d0c4 100644
--- a/unit_tests/tests/trigger/test_real_gm_24x.cpp
+++ b/unit_tests/tests/trigger/test_real_gm_24x.cpp
@@ -5,7 +5,7 @@
 TEST(crankingGm24x, gmRealCrankingFromFile) {
 	CsvReader reader(1, /* vvtCount */ 0);
 
-	reader.open("tests/trigger/resources/gm_24x_cranking.csv", SINGLE_TRIGGER_FIRST);
+	reader.open("tests/trigger/resources/gm_24x_cranking.csv");
 	EngineTestHelper eth(TEST_ENGINE);
 	engineConfiguration->isFasterEngineSpinUpEnabled = true;
 	engineConfiguration->alwaysInstantRpm = true;
diff --git a/unit_tests/tests/trigger/test_real_volkswagen.cpp b/unit_tests/tests/trigger/test_real_volkswagen.cpp
index b894131341..2d6160fe19 100644
--- a/unit_tests/tests/trigger/test_real_volkswagen.cpp
+++ b/unit_tests/tests/trigger/test_real_volkswagen.cpp
@@ -12,7 +12,7 @@
 TEST(crankingVW, vwRealCrankingFromFile) {
 	CsvReader reader(1, /* vvtCount */ 0);
 
-	reader.open("tests/trigger/resources/nick_1.csv", SINGLE_TRIGGER_FIRST);
+	reader.open("tests/trigger/resources/nick_1.csv");
 	EngineTestHelper eth (VW_ABA);
 	engineConfiguration->alwaysInstantRpm = true;
 	eth.setTriggerType(TT_60_2_VW);
@@ -33,7 +33,7 @@ TEST(crankingVW, crankingTwiceWithGap) {
 	{
 		CsvReader reader(1, /* vvtCount */ 0);
 
-		reader.open("tests/trigger/resources/nick_1.csv", SINGLE_TRIGGER_FIRST);
+		reader.open("tests/trigger/resources/nick_1.csv");
 		
 		while (reader.haveMore()) {
 			reader.processLine(&eth);
@@ -49,7 +49,7 @@ TEST(crankingVW, crankingTwiceWithGap) {
 		// Offset by a short time offset, 10 seconds
 		CsvReader reader(1, /* vvtCount */ 0, 10);
 
-		reader.open("tests/trigger/resources/nick_1.csv", SINGLE_TRIGGER_FIRST);
+		reader.open("tests/trigger/resources/nick_1.csv");
 		
 		while (reader.haveMore()) {
 			reader.processLine(&eth);
@@ -63,7 +63,7 @@ TEST(crankingVW, crankingTwiceWithGap) {
 		// Offset by long time offset, 5m14.15s
 		CsvReader reader(1, /* vvtCount */ 0, 314.159);
 
-		reader.open("tests/trigger/resources/nick_1.csv", SINGLE_TRIGGER_FIRST);
+		reader.open("tests/trigger/resources/nick_1.csv");
 		
 		while (reader.haveMore()) {
 			reader.processLine(&eth);