diff --git a/changelog b/changelog
index 0294b8609..69cb841de 100644
--- a/changelog
+++ b/changelog
@@ -2,4 +2,5 @@
 * Blast doors will now pulverize any block that gets in their way during closing
 
 ## Fixed
-* Fixed the CCGT's steam output breaking as soon as the steam buffer runs full
\ No newline at end of file
+* Fixed the CCGT's steam output breaking as soon as the steam buffer runs full
+* Fixed crash caused by mobs holding belt-fed guns
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diff --git a/src/main/java/com/hbm/items/weapon/sedna/mags/MagazineBelt.java b/src/main/java/com/hbm/items/weapon/sedna/mags/MagazineBelt.java
index 220ddbaa0..46c91c4ba 100644
--- a/src/main/java/com/hbm/items/weapon/sedna/mags/MagazineBelt.java
+++ b/src/main/java/com/hbm/items/weapon/sedna/mags/MagazineBelt.java
@@ -58,6 +58,7 @@ public class MagazineBelt implements IMagazine<BulletConfig> {
 
 	@Override
 	public int getAmount(ItemStack stack, IInventory inventory) {
+		if(inventory == null) return 1; // for EntityAIFireGun
 		BulletConfig first = this.getFirstConfig(stack, inventory);
 		int count = 0;
 		for(int i = 0; i < inventory.getSizeInventory(); i++) {