diff --git a/src/main/java/net/knarcraft/blacksmith/config/NPCSettings.java b/src/main/java/net/knarcraft/blacksmith/config/NPCSettings.java
index a20366e..2361f21 100644
--- a/src/main/java/net/knarcraft/blacksmith/config/NPCSettings.java
+++ b/src/main/java/net/knarcraft/blacksmith/config/NPCSettings.java
@@ -367,26 +367,20 @@ public class NPCSettings {
     /**
      * Replaces placeholders in the given reforge-able value
      *
-     * @param value <p>The value specified by a user</p>
+     * @param stringList <p>The value specified by a user</p>
      * @return <p>The value with placeholders replaced</p>
      */
-    private static Object replaceReforgeAblePresets(Object value) {
-        if (value instanceof String string) {
-            String[] list = string.split(",");
-            List<String> replaced = new ArrayList<>(list.length);
-            for (String item : list) {
-                replaced.add(SmithPreset.replacePreset(item));
+    private static List<String> replaceReforgeAblePresets(List<String> stringList) {
+        List<String> newStrings = new ArrayList<>(stringList);
+        for (String item : stringList) {
+            String replaced = SmithPreset.replacePreset(item);
+            if (!replaced.equals(item)) {
+                newStrings.addAll(List.of(replaced.split(",")));
+            } else {
+                newStrings.add(item);
             }
-            return String.join(",", replaced);
-        } else if (value instanceof String[] stringList) {
-            List<String> replaced = new ArrayList<>(stringList.length);
-            for (String item : stringList) {
-                replaced.add(SmithPreset.replacePreset(item));
-            }
-            return replaced.toArray();
-        } else {
-            throw new IllegalArgumentException("Unexpected object type encountered!");
         }
+        return newStrings;
     }
 
     /**
@@ -444,8 +438,10 @@ public class NPCSettings {
             return null;
         }
 
-        Set<Material> blacklisted = new HashSet<>();
+        //Convert any presets with a list of materials
+        itemList = replaceReforgeAblePresets(itemList);
 
+        Set<Material> blacklisted = new HashSet<>();
         //Parse every material, and add to reforgeAble items
         for (String item : itemList) {
             //Ignore ,,
@@ -453,9 +449,6 @@ public class NPCSettings {
                 continue;
             }
 
-            //Convert any presets with a list of materials
-            item = (String) replaceReforgeAblePresets(item);
-
             boolean blacklist = false;
             if (item.startsWith("-")) {
                 blacklist = true;