diff --git a/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/machines/XPCollector.java b/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/machines/XPCollector.java
index eb62edf08..edd3bc3b1 100644
--- a/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/machines/XPCollector.java
+++ b/src/me/mrCookieSlime/Slimefun/Objects/SlimefunItem/machines/XPCollector.java
@@ -158,6 +158,8 @@ public class XPCollector extends SlimefunItem {
 			if (n instanceof ExperienceOrb) {
 				if (ChargableBlock.getCharge(b) < getEnergyConsumption()) return;
 				
+				if (!n.isValid()) return;
+				
 				int xp = getEXP(b) + ((ExperienceOrb) n).getExperience();
 				
 				ChargableBlock.addCharge(b, -getEnergyConsumption());