diff --git a/unit_tests/test_fuel_map.cpp b/unit_tests/test_fuel_map.cpp
index 96c5551d97..de8666230a 100644
--- a/unit_tests/test_fuel_map.cpp
+++ b/unit_tests/test_fuel_map.cpp
@@ -90,7 +90,8 @@ void testFuelMap(void) {
 	assertEquals(NAN, getIntakeAirTemperature(PASS_ENGINE_PARAMETER_F));
 	float iatCorrection = getIatCorrection(-KELV PASS_ENGINE_PARAMETER);
 	assertEqualsM("IAT", 2, iatCorrection);
-	float cltCorrection = getCltFuelCorrection(getCoolantTemperature(PASS_ENGINE_PARAMETER_F) PASS_ENGINE_PARAMETER);
+	engine->engineState.clt = getCoolantTemperature(PASS_ENGINE_PARAMETER_F);
+	float cltCorrection = getCltFuelCorrection(engine->engineState.clt PASS_ENGINE_PARAMETER);
 	assertEqualsM("CLT", 1, cltCorrection);
 	float injectorLag = getInjectorLag(getVBatt(PASS_ENGINE_PARAMETER_F) PASS_ENGINE_PARAMETER);
 	assertEqualsM("injectorLag", 0, injectorLag);