1 files changed, 6 insertions, 1 deletions
diff --git a/src/map/npc.cpp b/src/map/npc.cpp
index 4d9a8d1..ee2f30c 100644
--- a/src/map/npc.cpp
+++ b/src/map/npc.cpp
@@ -993,6 +993,12 @@ int npc_selllist(dumb_ptr<map_session_data> sd,
         if (!nameid ||
             sd->status.inventory[item_list[i].ioff2.unshift()].amount < item_list[i].count)
             return 1;
+        if (bool(itemdb_search(nameid)->mode & ItemMode::NO_SELL_TO_NPC))
+        {
+            //clif_displaymessage(sd->sess, "This item can't be sold to an NPC."_s);
+            // M+ already outputs "Unable to sell unsellable item." on return value 3.
+            return 3;
+        }
         if (sd->trade_partner)
             return 2;           // cant sell while trading
         z += static_cast<double>(itemdb_value_sell(nameid)) * item_list[i].count;
@@ -1009,7 +1015,6 @@ int npc_selllist(dumb_ptr<map_session_data> sd,
     }
 
     return 0;
-
 }
 
 static