diff --git a/src/economy.c b/src/economy.c
index fa1440eaf..87c30cb99 100644
--- a/src/economy.c
+++ b/src/economy.c
@@ -1017,26 +1017,25 @@ static bool maintain(building * b, bool first)
     bool paid = true, work = first;
     unit *u;
     
-  if (fval(b, BLD_MAINTAINED) || b->type == NULL || b->type->maintenance == NULL
-    || is_cursed(b->attribs, C_NOCOST, 0)) {
-    fset(b, BLD_MAINTAINED);
-    fset(b, BLD_WORKING);
-    return true;
-  }
-  if (fval(b, BLD_DONTPAY)) {
-    return false;
-  }
-  u = building_owner(b);
-  if (u == NULL)
-    return false;
-	 /* If the owner is the region owner, check if biggest castle has the dontpay flag */
-  if (get_param(global.parameters, "rules.region_owner_pay_building")) {
-	  if (u == building_owner(largestbuilding(r, &cmp_taxes, false))) {
-		  if (fval(u->building, BLD_DONTPAY)) {
-			  return false;
-		  }
-	  }
-  }
+    if (fval(b, BLD_MAINTAINED) || b->type == NULL || b->type->maintenance == NULL || is_cursed(b->attribs, C_NOCOST, 0)) {
+        fset(b, BLD_MAINTAINED);
+        fset(b, BLD_WORKING);
+        return true;
+    }
+    if (fval(b, BLD_DONTPAY)) {
+        return false;
+    }
+    u = building_owner(b);
+    if (u == NULL)
+        return false;
+    /* If the owner is the region owner, check if biggest castle has the dontpay flag */
+    if (check_param(global.parameters, "rules.region_owner_pay_building", b->type->_name)) {
+        if (u == building_owner(largestbuilding(r, &cmp_taxes, false))) {
+            if (fval(u->building, BLD_DONTPAY)) {
+                return false;
+            }
+        }
+    }
   for (c = 0; b->type->maintenance[c].number; ++c) {
     const maintenance *m = b->type->maintenance + c;
     int need = m->number;