--- a/src/vehicle.cpp	Sun May 06 14:59:01 2007 +0000
+++ b/src/vehicle.cpp	Sun May 06 15:01:44 2007 +0000
@@ -2454,9 +2454,9 @@
 									scheme = LS_PASSENGER_WAGON_STEAM;
 								} else {
 									switch (RailVehInfo(parent_engine_type)->engclass) {
-										case 0: scheme = LS_PASSENGER_WAGON_STEAM; break;
-										case 1: scheme = LS_PASSENGER_WAGON_DIESEL; break;
-										case 2: scheme = LS_PASSENGER_WAGON_ELECTRIC; break;
+										case EC_STEAM:    scheme = LS_PASSENGER_WAGON_STEAM;    break;
+										case EC_DIESEL:   scheme = LS_PASSENGER_WAGON_DIESEL;   break;
+										case EC_ELECTRIC: scheme = LS_PASSENGER_WAGON_ELECTRIC; break;
 									}
 								}
 							} else {
@@ -2466,9 +2466,9 @@
 							bool is_mu = HASBIT(_engine_info[engine_type].misc_flags, EF_RAIL_IS_MU);
 
 							switch (rvi->engclass) {
-								case 0: scheme = LS_STEAM; break;
-								case 1: scheme = is_mu ? LS_DMU : LS_DIESEL; break;
-								case 2: scheme = is_mu ? LS_EMU : LS_ELECTRIC; break;
+								case EC_STEAM:    scheme = LS_STEAM; break;
+								case EC_DIESEL:   scheme = is_mu ? LS_DMU : LS_DIESEL;   break;
+								case EC_ELECTRIC: scheme = is_mu ? LS_EMU : LS_ELECTRIC; break;
 							}
 						}
 						break;