diff --git a/Emulator/src/main/java/com/eu/habbo/habbohotel/catalog/marketplace/MarketPlace.java b/Emulator/src/main/java/com/eu/habbo/habbohotel/catalog/marketplace/MarketPlace.java
index f660354c..0a5aa581 100644
--- a/Emulator/src/main/java/com/eu/habbo/habbohotel/catalog/marketplace/MarketPlace.java
+++ b/Emulator/src/main/java/com/eu/habbo/habbohotel/catalog/marketplace/MarketPlace.java
@@ -366,13 +366,15 @@ public final class MarketPlace {
         THashSet<MarketPlaceOffer> offers = new THashSet<>();
         offers.addAll(client.getHabbo().getInventory().getMarketplaceItems());
 
-        for (MarketPlaceOffer offer : offers) {
-            if (offer.getState().equals(MarketPlaceState.SOLD)) {
-                client.getHabbo().getInventory().removeMarketplaceOffer(offer);
-                credits += offer.getPrice();
-                removeUser(offer);
-                offer.needsUpdate(true);
-                Emulator.getThreading().run(offer);
+        synchronized (client.getHabbo().getInventory()) {
+            for (MarketPlaceOffer offer : offers) {
+                if (offer.getState().equals(MarketPlaceState.SOLD)) {
+                    client.getHabbo().getInventory().removeMarketplaceOffer(offer);
+                    credits += offer.getPrice();
+                    removeUser(offer);
+                    offer.needsUpdate(true);
+                    Emulator.getThreading().run(offer);
+                }
             }
         }