diff --git a/src/newgrf_town.cpp b/src/newgrf_town.cpp
--- a/src/newgrf_town.cpp
+++ b/src/newgrf_town.cpp
@@ -107,8 +107,8 @@ uint32 TownGetVariable(byte variable, by
 		case 0xC7: return GB(ClampToU16(t->act_pass), 8, 8);
 		case 0xC8: return ClampToU16(t->act_mail);
 		case 0xC9: return GB(ClampToU16(t->act_mail), 8, 8);
-		case 0xCA: return t->pct_pass_transported;
-		case 0xCB: return t->pct_mail_transported;
+		case 0xCA: return t->GetPercentPassTransported();
+		case 0xCB: return t->GetPercentMailTransported();
 		case 0xCC: return t->new_act_food;
 		case 0xCD: return GB(t->new_act_food, 8, 8);
 		case 0xCE: return t->new_act_water;