--- a/aircraft_gui.c	Thu Jan 05 16:51:10 2006 +0000
+++ b/aircraft_gui.c	Thu Jan 05 21:35:54 2006 +0000
@@ -415,7 +415,7 @@
 			mod = GetServiceIntervalClamped(mod + v->service_interval);
 			if (mod == v->service_interval) return;
 
-			DoCommandP(v->tile, v->index, mod, NULL, CMD_CHANGE_AIRCRAFT_SERVICE_INT | CMD_MSG(STR_018A_CAN_T_CHANGE_SERVICING));
+			DoCommandP(v->tile, v->index, mod, NULL, CMD_CHANGE_SERVICE_INT | CMD_MSG(STR_018A_CAN_T_CHANGE_SERVICING));
 			break;
 		}
 	} break;