diff --git a/src/control/CarCtrl.cpp b/src/control/CarCtrl.cpp
index 25ced498..2e9752a7 100644
--- a/src/control/CarCtrl.cpp
+++ b/src/control/CarCtrl.cpp
@@ -2718,7 +2718,7 @@ bool CCarCtrl::GenerateOneEmergencyServicesCar(uint32 mi, CVector vecPos)
 		attempts += 1;
 	}
 	if (attempts >= 5)
-		return nil;
+		return false;
 	CAutomobile* pVehicle = new CAutomobile(mi, RANDOM_VEHICLE);
 	pVehicle->AutoPilot.m_vecDestinationCoors = vecPos;
 	pVehicle->SetPosition(spawnPos);
diff --git a/src/render/WaterLevel.cpp b/src/render/WaterLevel.cpp
index bccaea39..4b474219 100644
--- a/src/render/WaterLevel.cpp
+++ b/src/render/WaterLevel.cpp
@@ -432,14 +432,14 @@ CWaterLevel::TestVisibilityForFineWaterBlocks(const CVector &worldPos)
 
 		if ((lineEnd.x > WORLD_MIN_X && lineEnd.x < WORLD_MAX_X) && (lineEnd.y > WORLD_MIN_Y && lineEnd.y < WORLD_MAX_Y))
 		{
-			if (!CWorld::ProcessLineOfSight(lineStart, lineEnd, col, entity, true, false, false, false, true, false, nil))
+			if (!CWorld::ProcessLineOfSight(lineStart, lineEnd, col, entity, true, false, false, false, true, false, false))
 			{
 				lineStart.x += 0.4f;
 				lineStart.y += 0.4f;
 				lineEnd.x += 0.4f;
 				lineEnd.y += 0.4f;
 
-				if (!CWorld::ProcessLineOfSight(lineStart, lineEnd, col, entity, true, false, false, false, true, false, nil))
+				if (!CWorld::ProcessLineOfSight(lineStart, lineEnd, col, entity, true, false, false, false, true, false, false))
 				{
 					return false;
 				}