diff --git a/.travis.yml b/.travis.yml
index a64f9f60..1ecfa2d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
-language: java
-jdk:
-  - oraclejdk8
-notifications:
-  email: false
-before_install:
-  - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
+language: java
+jdk:
+  - oraclejdk8
+notifications:
+  email: false
+before_install:
+  - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
diff --git a/src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java b/src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java
index cef29997..6d37f01e 100644
--- a/src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java
+++ b/src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java
@@ -77,6 +77,7 @@ import com.onarandombox.MultiverseCore.utils.MVEconomist;
 import com.onarandombox.MultiverseCore.utils.MVMessaging;
 import com.onarandombox.MultiverseCore.utils.MVPermissions;
 import com.onarandombox.MultiverseCore.utils.MVPlayerSession;
+import com.onarandombox.MultiverseCore.utils.MaterialConverter;
 import com.onarandombox.MultiverseCore.utils.SimpleBlockSafety;
 import com.onarandombox.MultiverseCore.utils.SimpleLocationManipulation;
 import com.onarandombox.MultiverseCore.utils.SimpleSafeTTeleporter;
@@ -84,15 +85,12 @@ import com.onarandombox.MultiverseCore.utils.UnsafeCallWrapper;
 import com.onarandombox.MultiverseCore.utils.VaultHandler;
 import com.onarandombox.MultiverseCore.utils.WorldManager;
 import com.pneumaticraft.commandhandler.CommandHandler;
-import de.themoep.idconverter.IdMappings;
 import me.main__.util.SerializationConfig.NoSuchPropertyException;
 import me.main__.util.SerializationConfig.SerializationConfig;
 import org.bukkit.ChatColor;
 import org.bukkit.Difficulty;
 import org.bukkit.GameMode;
 import org.bukkit.Location;
-import org.bukkit.Material;
-import org.bukkit.Server;
 import org.bukkit.World.Environment;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
@@ -103,7 +101,6 @@ import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.PluginDescriptionFile;
-import org.bukkit.plugin.PluginLoader;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.plugin.java.JavaPluginLoader;
@@ -641,17 +638,7 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
                 if (section.isConfigurationSection("entryfee")) {
                     ConfigurationSection feeSection = section.getConfigurationSection("entryfee");
                     if (feeSection.isInt("currency")) {
-                        int oldCurrencyItemId = feeSection.getInt("currency", -1);
-                        if (oldCurrencyItemId >= 0) {
-                            IdMappings.Mapping mapping = IdMappings.getById(Integer.toString(oldCurrencyItemId));
-                            if (mapping != null) {
-                                world.setCurrency(Material.matchMaterial(mapping.getFlatteningType()));
-                            } else {
-                                world.setCurrency(null);
-                            }
-                        } else {
-                            world.setCurrency(null);
-                        }
+                        world.setCurrency(MaterialConverter.convertConfigType(feeSection, "currency"));
                     }
 
                     if (feeSection.isDouble("amount"))
diff --git a/src/main/java/com/onarandombox/MultiverseCore/WorldProperties.java b/src/main/java/com/onarandombox/MultiverseCore/WorldProperties.java
index 1e882c71..3dd208b8 100644
--- a/src/main/java/com/onarandombox/MultiverseCore/WorldProperties.java
+++ b/src/main/java/com/onarandombox/MultiverseCore/WorldProperties.java
@@ -8,7 +8,6 @@ import com.onarandombox.MultiverseCore.configuration.WorldPropertyValidator;
 import com.onarandombox.MultiverseCore.enums.AllowedPortalType;
 import com.onarandombox.MultiverseCore.enums.EnglishChatColor;
 import com.onarandombox.MultiverseCore.enums.EnglishChatStyle;
-import de.themoep.idconverter.IdMappings;
 import me.main__.util.SerializationConfig.IllegalPropertyValueException;
 import me.main__.util.SerializationConfig.Property;
 import me.main__.util.SerializationConfig.SerializationConfig;
diff --git a/src/main/java/com/onarandombox/MultiverseCore/configuration/EntryFee.java b/src/main/java/com/onarandombox/MultiverseCore/configuration/EntryFee.java
index 42a1d4c3..be66fb3a 100644
--- a/src/main/java/com/onarandombox/MultiverseCore/configuration/EntryFee.java
+++ b/src/main/java/com/onarandombox/MultiverseCore/configuration/EntryFee.java
@@ -2,8 +2,7 @@ package com.onarandombox.MultiverseCore.configuration;
 
 import java.util.Map;
 
-import de.themoep.idconverter.IdMappings;
-import me.main__.util.SerializationConfig.IllegalPropertyValueException;
+import com.onarandombox.MultiverseCore.utils.MaterialConverter;
 import me.main__.util.SerializationConfig.Property;
 import me.main__.util.SerializationConfig.SerializationConfig;
 
@@ -78,12 +77,8 @@ public class EntryFee extends SerializationConfig {
         }
 
         @Override
-        public Material deserialize(Object o, Class<Material> aClass) throws IllegalPropertyValueException {
-            IdMappings.Mapping mapping = IdMappings.getById(o.toString());
-            if (mapping != null) {
-                return Material.matchMaterial(mapping.getFlatteningType());
-            }
-            return Material.matchMaterial(o.toString());
+        public Material deserialize(Object o, Class<Material> aClass) {
+            return MaterialConverter.convertTypeString(o.toString());
         }
     }
 }
diff --git a/src/main/java/com/onarandombox/MultiverseCore/utils/MaterialConverter.java b/src/main/java/com/onarandombox/MultiverseCore/utils/MaterialConverter.java
new file mode 100644
index 00000000..cf4e1286
--- /dev/null
+++ b/src/main/java/com/onarandombox/MultiverseCore/utils/MaterialConverter.java
@@ -0,0 +1,38 @@
+package com.onarandombox.MultiverseCore.utils;
+
+import de.themoep.idconverter.IdMappings;
+import org.bukkit.Material;
+import org.bukkit.configuration.ConfigurationSection;
+
+/**
+ * A tool for converting values which may be an old type ID to a Material.
+ */
+public class MaterialConverter {
+
+    /**
+     * Converts the value in the given config at the given path from a numeric id or flattened material name to a
+     * Material.
+     *
+     * @param config The config with the value to convert.
+     * @param path The path of the value in the config.
+     * @return The converted Material type or null if no matching type.
+     */
+    public static Material convertConfigType(ConfigurationSection config, String path) {
+        return convertTypeString(config.getString(path));
+    }
+
+    /**
+     * Converts a string representing a numeric id or flattened material name to a Material.
+     *
+     * @param value The value to convert.
+     * @return The converted Material type or null if no matching type.
+     */
+    public static Material convertTypeString(String value) {
+        IdMappings.Mapping mapping = IdMappings.getById(value);
+        if (mapping != null) {
+            return Material.matchMaterial(mapping.getFlatteningType());
+        } else {
+            return Material.matchMaterial(value);
+        }
+    }
+}