diff --git a/src/main/java/net/neoforged/neoforge/client/ClientHooks.java b/src/main/java/net/neoforged/neoforge/client/ClientHooks.java
index 837d8e2e4c6..0eb3d0c96f7 100644
--- a/src/main/java/net/neoforged/neoforge/client/ClientHooks.java
+++ b/src/main/java/net/neoforged/neoforge/client/ClientHooks.java
@@ -94,6 +94,7 @@
 import net.neoforged.neoforge.forge.snapshots.ForgeSnapshotsModClient;
 import net.neoforged.neoforge.gametest.GameTestHooks;
 import net.neoforged.neoforge.internal.versions.neoforge.NeoForgeVersion;
+import net.neoforged.neoforge.network.configuration.CheckExtensibleEnums;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Marker;
@@ -104,7 +105,6 @@
 import org.joml.Vector3f;
 import xyz.bluspring.kilt.injections.client.gui.screens.MenuScreensInjection;
 import xyz.bluspring.kilt.injections.client.renderer.ShaderInstanceInjection;
-import xyz.bluspring.kilt.injections.world.inventory.RecipeBookTypeInjection;
 
 import net.minecraft.FileUtil;
 import net.minecraft.client.Camera;
@@ -1128,7 +1128,7 @@ public static List<Component> getEffectTooltip(EffectRenderingInventoryScreen<?>
         return event.getTooltip();
     }
 
-    private static final ExtensionInfo RECIPE_BOOK_TYPE_EXTENSION_INFO = RecipeBookTypeInjection.getExtensionInfo();
+    private static final ExtensionInfo RECIPE_BOOK_TYPE_EXTENSION_INFO = CheckExtensibleEnums.getEnumExtensionInfo(RecipeBookType.class);
     private static final RecipeBookType[] RECIPE_BOOK_TYPES = RecipeBookType.values();
     private static RecipeBookType @Nullable [] cachedFilteredTypes = null;
 
diff --git a/src/main/java/net/neoforged/neoforge/common/CommonHooks.java b/src/main/java/net/neoforged/neoforge/common/CommonHooks.java
index 4b72c7191be..8729e6a4eab 100644
--- a/src/main/java/net/neoforged/neoforge/common/CommonHooks.java
+++ b/src/main/java/net/neoforged/neoforge/common/CommonHooks.java
@@ -96,6 +96,7 @@
 import net.neoforged.neoforge.event.level.NoteBlockEvent;
 import net.neoforged.neoforge.event.level.block.CropGrowEvent;
 import net.neoforged.neoforge.fluids.FluidType;
+import net.neoforged.neoforge.network.configuration.CheckExtensibleEnums;
 import net.neoforged.neoforge.registries.NeoForgeRegistries;
 import net.neoforged.neoforge.resource.ResourcePackLoader;
 import net.neoforged.neoforge.server.ServerLifecycleHooks;
@@ -111,7 +112,6 @@
 import xyz.bluspring.kilt.injections.nbt.CompoundTagInjection;
 import xyz.bluspring.kilt.injections.nbt.ListTagInjection;
 import xyz.bluspring.kilt.injections.world.entity.ai.attributes.AttributeSupplierBuilderInjection;
-import xyz.bluspring.kilt.injections.world.inventory.RecipeBookTypeInjection;
 
 import net.minecraft.ChatFormatting;
 import net.minecraft.ResourceLocationException;
@@ -1660,13 +1660,18 @@ public static boolean tryDispenseShearsHarvestBlock(BlockSource source, ItemStac
     }
 
     public static Map<RecipeBookType, Pair<String, String>> buildRecipeBookTypeTagFields(Map<RecipeBookType, Pair<String, String>> vanillaMap) {
-        ExtensionInfo extInfo = RecipeBookTypeInjection.getExtensionInfo();
+        ExtensionInfo extInfo = CheckExtensibleEnums.getEnumExtensionInfo(RecipeBookType.class);
         if (extInfo.extended()) {
             vanillaMap = new HashMap<>(vanillaMap);
             for (RecipeBookType type : RecipeBookType.values()) {
                 if (type.ordinal() < extInfo.vanillaCount()) {
                     continue;
                 }
+                //Kilt: Fabric mods might already have added themselves here.
+                if (vanillaMap.containsKey(type)) {
+                    LOGGER.warn("Existing tag fields found for non-vanilla RecipeBookType enum {} {}. These will be used instead of the NeoForge (Kilt) defaults.", type, vanillaMap.get(type));
+                    continue;
+                }
                 String name = CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, type.name());
                 vanillaMap.put(type, Pair.of("is" + name + "GuiOpen", "is" + name + "FilteringCraftable"));
             }
diff --git a/src/main/java/net/neoforged/neoforge/network/configuration/CheckExtensibleEnums.java b/src/main/java/net/neoforged/neoforge/network/configuration/CheckExtensibleEnums.java
index 9a1c456ba33..c1c87229619 100644
--- a/src/main/java/net/neoforged/neoforge/network/configuration/CheckExtensibleEnums.java
+++ b/src/main/java/net/neoforged/neoforge/network/configuration/CheckExtensibleEnums.java
@@ -193,7 +193,7 @@ private static synchronized Map<String, EnumEntry> getEnumEntries() {
         return enumEntries;
     }
 
-    private static ExtensionInfo getEnumExtensionInfo(Class<? extends Enum<?>> enumClass) {
+    public static ExtensionInfo getEnumExtensionInfo(Class<? extends Enum<?>> enumClass) {
         try {
             Method mth = enumClass.getDeclaredMethod("getExtensionInfo");
             return (ExtensionInfo) mth.invoke(null);