diff --git a/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java b/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
index 84c15e9..fa12045 100644
--- a/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
+++ b/src/main/java/jackyy/exchangers/handler/ExchangerHandler.java
@@ -221,7 +221,9 @@ private void placeBlock(ItemStack stack, EntityPlayer player, World world, Block
                     notEnough = true;
                 }
             } else {
+                world.restoringBlockSnapshots = true;
                 event.getBlockSnapshot().restore(true);
+                world.restoringBlockSnapshots = false;
                 ChatHelper.msgPlayer(player, "error.event_cancelled");
             }
         }