diff --git a/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/SlimefunItem.java b/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/SlimefunItem.java
index bf2b692f5..31775de17 100644
--- a/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/SlimefunItem.java
+++ b/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/SlimefunItem.java
@@ -59,6 +59,7 @@ public class SlimefunItem {
 	Set<ItemHandler> itemhandlers;
 	URID urid;
 	boolean ticking = false;
+	boolean addon = false;
 	BlockTicker ticker;
 	EnergyTicker energy;
 	
@@ -173,6 +174,7 @@ public class SlimefunItem {
 	}
 	
 	public void register(boolean slimefun) {
+		addon = !slimefun;
 		try {
 			if (recipe.length < 9) recipe = new ItemStack[] {null, null, null, null, null, null, null, null, null};
 			all.add(this);
@@ -469,4 +471,8 @@ public class SlimefunItem {
 	public void addWikipage(String page) {
 		Slimefun.addWikiPage(this.getName(), "https://github.com/mrCookieSlime/Slimefun4/wiki/" + page);
 	}
+	
+	public boolean isAddonItem() {
+		return this.addon;
+	}
 }