diff --git a/src/vehicles/CarGen.cpp b/src/vehicles/CarGen.cpp
index 84a19b82..130bf1e9 100644
--- a/src/vehicles/CarGen.cpp
+++ b/src/vehicles/CarGen.cpp
@@ -32,7 +32,7 @@ void CCarGenerator::SwitchOff()
 
 void CCarGenerator::SwitchOn()
 {
-	m_nUsesRemaining = 255;
+	m_nUsesRemaining = UINT16_MAX;
 	m_nTimer = CalcNextGen();
 	++CTheCarGenerators::CurrentActiveCount;
 }
@@ -143,10 +143,10 @@ void CCarGenerator::DoInternalProcessing()
 	m_nVehicleHandle = CPools::GetVehiclePool()->GetIndex(pVehicle);
 	/* I don't think this is a correct comparasion */
 #ifdef FIX_BUGS
-	if (m_nUsesRemaining != 0) 
+	if (m_nUsesRemaining < UINT16_MAX)
 		--m_nUsesRemaining;
 #else
-	if (m_nUsesRemaining < -1)
+	if (m_nUsesRemaining < ~0)
 		--m_nUsesRemaining;
 #endif
 	m_nTimer = CalcNextGen();