diff --git a/src/main/java/slimeknights/toolleveling/config/Config.java b/src/main/java/slimeknights/toolleveling/config/Config.java
index d4cf393..b0f4bec 100644
--- a/src/main/java/slimeknights/toolleveling/config/Config.java
+++ b/src/main/java/slimeknights/toolleveling/config/Config.java
@@ -16,6 +16,11 @@ public void load(File file) {
     ConfigFile.init();
 
     configFile = this.load(new ConfigFile(file), ConfigFile.class);
+    
+	if (configFile.toolxp.levelMultiplier < 2) {
+	  configFile.toolxp.levelMultiplier = 2f;
+	  configFile.setNeedsSaving();
+	}
   }
 
   public static int getBaseXpForTool(Item item) {
diff --git a/src/main/java/slimeknights/toolleveling/config/ConfigFile.java b/src/main/java/slimeknights/toolleveling/config/ConfigFile.java
index 7a41bd3..ecc3b74 100644
--- a/src/main/java/slimeknights/toolleveling/config/ConfigFile.java
+++ b/src/main/java/slimeknights/toolleveling/config/ConfigFile.java
@@ -85,6 +85,7 @@ static class ToolXP {
     @Setting(comment = "Base XP for each of the listed tools")
     public Map<Item, Integer> baseXpForTool = new HashMap<>();
 
+    @Setting(comment = "How much the XP cost will multiply per level, minimum 2.")
     public float levelMultiplier = 2f;
   }
 }