diff --git a/unit_tests/test-framework/logicdata_csv_reader.cpp b/unit_tests/test-framework/logicdata_csv_reader.cpp
index 7c6b03d6a6..4081eecf57 100644
--- a/unit_tests/test-framework/logicdata_csv_reader.cpp
+++ b/unit_tests/test-framework/logicdata_csv_reader.cpp
@@ -116,7 +116,7 @@ void CsvReader::processLine(EngineTestHelper *eth) {
 		}
 
 		efitick_t nowNt = getTimeNowNt();
-		TriggerValue event = newVvtState[vvtIndex] ^ engineConfiguration->invertCamVVTSignal ? TriggerValue::RISE : TriggerValue::FALL;
+		TriggerValue event = newVvtState[vvtIndex] ^ flipVvtOnRead ^ engineConfiguration->invertCamVVTSignal ? TriggerValue::RISE : TriggerValue::FALL;
 		// todo: configurable selection of vvt mode - dual bank or dual cam single bank
 		int bankIndex;
 		int camIndex;
diff --git a/unit_tests/test-framework/logicdata_csv_reader.h b/unit_tests/test-framework/logicdata_csv_reader.h
index ef6d6849ec..cf1a93a34e 100644
--- a/unit_tests/test-framework/logicdata_csv_reader.h
+++ b/unit_tests/test-framework/logicdata_csv_reader.h
@@ -31,6 +31,7 @@ public:
 	double readTimestampAndValues(double *v);
 
 	bool flipOnRead = false;
+	bool flipVvtOnRead = false;
 
 	int lineIndex() const {
 		return m_lineIndex;