diff --git a/src/main/java/noppes/npcs/VersionCompatibility.java b/src/main/java/noppes/npcs/VersionCompatibility.java
index 12562f15b..460d240e3 100644
--- a/src/main/java/noppes/npcs/VersionCompatibility.java
+++ b/src/main/java/noppes/npcs/VersionCompatibility.java
@@ -14,11 +14,21 @@ import java.util.Collection;
 import java.util.List;
 
 public class VersionCompatibility {
-    public static int ModRev = 23;
+    public static int ModRev = 24;
 
     public static void CheckNpcCompatibility(EntityNPCInterface npc, NBTTagCompound compound) {
         if (npc.npcVersion == ModRev)
             return;
+        if (npc.npcVersion < 24) {
+            // Fire projectiles used to ignite unconditionally. The ignite check now also requires
+            // pBurnItem, which reads false when the key is absent, so restore it for anything
+            // saved before the flag existed.
+            if (compound.hasKey("pEffect") && !compound.hasKey("pBurnItem")) {
+                if (EnumPotionType.fromOrdinal(compound.getInteger("pEffect")) == EnumPotionType.Fire) {
+                    compound.setBoolean("pBurnItem", true);
+                }
+            }
+        }
         if (npc.npcVersion < 23) {
             if (compound.hasKey("AimWhileShooting")) {
                 boolean aimShot = compound.getBoolean("AimWhileShooting");
@@ -50,14 +60,6 @@ public class VersionCompatibility {
             if (compound.hasKey("DialogDarkenScreen")) {
                 compound.removeTag("DialogDarkenScreen");
             }
-
-            if (compound.hasKey("pEffect")) {
-                int effect = compound.getInteger("pEffect");
-                EnumPotionType enumPotionType = EnumPotionType.fromOrdinal(effect);
-                if (!compound.hasKey("pBurnItem") && enumPotionType == EnumPotionType.Fire) {
-                    compound.setBoolean("pBurnItem", true);
-                }
-            }
         }
         if (npc.npcVersion < 12) {
             CompatabilityFix(compound, npc.advanced.writeToNBT(new NBTTagCompound()));