diff --git a/src/main/java/net/aufdemrand/denizen/Denizen.java b/src/main/java/net/aufdemrand/denizen/Denizen.java
index 8d21d7c54c..dfb1e8cfbe 100644
--- a/src/main/java/net/aufdemrand/denizen/Denizen.java
+++ b/src/main/java/net/aufdemrand/denizen/Denizen.java
@@ -51,7 +51,7 @@
 
 
 public class Denizen extends JavaPlugin {
-
+	public final static double configVersion = 0.88;
     public static String versionTag = "0.8.8 pre-release";
     
     private boolean startedSuccessful = false;
@@ -170,6 +170,13 @@ public void onEnable() {
         // Populate config.yml if it doesn't yet exist.
         saveDefaultConfig(); 
         reloadConfig();
+		
+		// Warn if configuration is outdated
+		if(!getConfig().isSet("version") || getConfig().getDouble("version", 0) < configVersion) {
+			dB.echoError("Your configuration file seems to be outdated!");
+			dB.echoError("Please generate a new one by deleteing your current config.yml file in the Denizen folder.");
+		}
+		
         ScriptHelper.reloadScripts();
         reloadSaves();
 
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index a839855b61..c429feb9b1 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,3 +1,8 @@
+# The current configuration version. DO NOT CHANGE THIS VALUE!!!
+# Denizen will check against the latest internal version and warn you if your
+# configuration file is outdated!
+version: 0.88
+
 # Whether Denizen debug information should be shown in the server
 # console or not.
 Show Debug: true