--- a/vehicle.c	Thu Dec 21 14:44:19 2006 +0000
+++ b/vehicle.c	Thu Dec 21 20:56:27 2006 +0000
@@ -687,6 +687,8 @@
 static bool CanFillVehicle_FullLoadAny(Vehicle *v)
 {
 	uint32 full = 0, not_full = 0;
+	bool keep_loading = false;
+	const GoodsEntry *ge = GetStation(v->last_station_visited)->goods;
 
 	//special handling of aircraft
 
@@ -708,6 +710,11 @@
 
 			if (v->cargo_cap == v->cargo_count) {
 				full |= mask;
+			} else if (GB(ge[v->cargo_type].waiting_acceptance, 0, 12) > 0 ||
+					(HASBIT(v->load_status, LS_CARGO_UNLOADING) && (ge[v->cargo_type].waiting_acceptance & 0x8000))) {
+				/* If there is any cargo waiting, or this vehicle is still unloading
+				 * and the station accepts the cargo, don't leave the station. */
+				keep_loading = true;
 			} else {
 				not_full |= mask;
 			}
@@ -715,7 +722,7 @@
 	} while ((v = v->next) != NULL);
 
 	// continue loading if there is a non full cargo type and no cargo type that is full
-	return not_full && (full & ~not_full) == 0;
+	return keep_loading || (not_full && (full & ~not_full) == 0);
 }
 
 bool CanFillVehicle(Vehicle *v)