diff --git a/firmware/controllers/math/engine_math.cpp b/firmware/controllers/math/engine_math.cpp
index 1f5fc8a36f..3013a05a71 100644
--- a/firmware/controllers/math/engine_math.cpp
+++ b/firmware/controllers/math/engine_math.cpp
@@ -132,8 +132,9 @@ bool FuelSchedule::addFuelEventsForCylinder(int i  DECLARE_ENGINE_PARAMETER_SUFF
 		// injection offset map not ready - we are not ready to schedule fuel events
 		return false;
 	}
-	angle_t baseAngle = injectionOffset - injectionDuration;
+	const angle_t baseAngle = injectionOffset - injectionDuration;
 	efiAssert(!cisnan(baseAngle), "NaN baseAngle", false);
+	assertAngleRange(baseAngle, "baseAngle_r");
 
 	int index;