diff --git a/Essentials/src/com/earth2me/essentials/commands/Commandworth.java b/Essentials/src/com/earth2me/essentials/commands/Commandworth.java
index 7ed8598ad..667c085ef 100644
--- a/Essentials/src/com/earth2me/essentials/commands/Commandworth.java
+++ b/Essentials/src/com/earth2me/essentials/commands/Commandworth.java
@@ -7,6 +7,7 @@ import org.bukkit.Server;
 import org.bukkit.inventory.ItemStack;
 
 import java.math.BigDecimal;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -23,7 +24,12 @@ public class Commandworth extends EssentialsCommand {
         BigDecimal totalWorth = BigDecimal.ZERO;
         String type = "";
 
-        List<ItemStack> is = ess.getItemDb().getMatching(user, args);
+        List<ItemStack> tmp = ess.getItemDb().getMatching(user, args);
+        List<ItemStack> is = new ArrayList<>(tmp.size());
+        for (ItemStack stack : tmp) {
+            is.add(stack.clone());
+        }
+
         int count = 0;
 
         boolean isBulk = is.size() > 1;