diff --git a/src/newgrf.cpp b/src/newgrf.cpp
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -3066,15 +3066,15 @@ static ChangeInfoResult CargoChangeInfo(
 				uint8_t substitute_type = buf->ReadByte();
 
 				switch (substitute_type) {
-					case 0x00: cs->town_effect = TE_PASSENGERS; break;
-					case 0x02: cs->town_effect = TE_MAIL; break;
-					case 0x05: cs->town_effect = TE_GOODS; break;
-					case 0x09: cs->town_effect = TE_WATER; break;
-					case 0x0B: cs->town_effect = TE_FOOD; break;
+					case 0x00: cs->town_acceptance_effect = TAE_PASSENGERS; break;
+					case 0x02: cs->town_acceptance_effect = TAE_MAIL; break;
+					case 0x05: cs->town_acceptance_effect = TAE_GOODS; break;
+					case 0x09: cs->town_acceptance_effect = TAE_WATER; break;
+					case 0x0B: cs->town_acceptance_effect = TAE_FOOD; break;
 					default:
 						GrfMsg(1, "CargoChangeInfo: Unknown town growth substitute value {}, setting to none.", substitute_type);
 						FALLTHROUGH;
-					case 0xFF: cs->town_effect = TE_NONE; break;
+					case 0xFF: cs->town_acceptance_effect = TAE_NONE; break;
 				}
 				break;
 			}