diff --git a/src/main/java/gregtech/datafix/GTDataFixers.java b/src/main/java/gregtech/datafix/GTDataFixers.java
index d6b731d38be..ea8efe93388 100644
--- a/src/main/java/gregtech/datafix/GTDataFixers.java
+++ b/src/main/java/gregtech/datafix/GTDataFixers.java
@@ -2,13 +2,11 @@
 
 import gregtech.api.GTValues;
 import gregtech.api.GregTechAPI;
-import gregtech.api.metatileentity.registry.MTERegistry;
 import gregtech.datafix.migration.impl.MigrateMTEBlockTE;
 import gregtech.datafix.migration.impl.MigrateMTEItems;
 import gregtech.datafix.migration.lib.MTERegistriesMigrator;
 import gregtech.datafix.walker.WalkItemStackLike;
 
-import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.datafix.FixTypes;
 import net.minecraft.util.datafix.IDataWalker;
 import net.minecraftforge.common.util.CompoundDataFixer;
@@ -19,6 +17,8 @@
 import org.apache.logging.log4j.Logger;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.stream.IntStream;
+
 public final class GTDataFixers {
 
     public static final Logger LOGGER = LogManager.getLogger("GregTech DataFixers");
@@ -63,13 +63,10 @@ private static void registerFixes(@NotNull GTDataVersion version, @NotNull ModFi
     }
 
     /**
-     * Migrate all MTEs to the new blocks automatically
+     * Migrate GT's own MTEs to the new blocks automatically
      */
     private static void migrateMTERegistries() {
         MTERegistriesMigrator migrator = GregTechAPI.MIGRATIONS.registriesMigrator();
-        MTERegistry registry = GregTechAPI.mteManager.getRegistry(GTValues.MODID);
-        for (ResourceLocation key : registry.getKeys()) {
-            migrator.migrate(key.getNamespace(), (short) registry.getIdByObjectName(key));
-        }
+        migrator.migrate(GTValues.MODID, IntStream.range(0, 2000));
     }
 }
diff --git a/src/main/java/gregtech/datafix/migration/lib/MTERegistriesMigrator.java b/src/main/java/gregtech/datafix/migration/lib/MTERegistriesMigrator.java
index 159fd1450fa..73460ac52b8 100644
--- a/src/main/java/gregtech/datafix/migration/lib/MTERegistriesMigrator.java
+++ b/src/main/java/gregtech/datafix/migration/lib/MTERegistriesMigrator.java
@@ -15,6 +15,8 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.stream.IntStream;
+
 /**
  * Performs migration to an independent MTE registry.
  * <p>
@@ -48,16 +50,30 @@ public void migrate(int preMeta, int postMeta) {
     }
 
     /**
-     * Register a data fix entry for the multiple MTE registry transition.
+     * Register a single data fix entry for the multiple MTE registry transition.
+     * <p>
+     * Callers will probably prefer {@link #migrate(String, IntStream)}.
      *
      * @param modid the registry's modid
      * @param meta  the metadata value to migrate
      */
-    @ApiStatus.Internal
     public void migrate(@NotNull String modid, short meta) {
         metaModidMap.put(meta, modid);
     }
 
+    /**
+     * Register data fix entries for the multiple MTE registry transition.
+     * <p>
+     * Register the range of values allocated to the modid using {@link IntStream#range(int, int)} or
+     * {@link IntStream#builder()}.
+     *
+     * @param modid      the registry's modid
+     * @param metaValues the metadata values to migrate
+     */
+    public void migrate(@NotNull String modid, @NotNull IntStream metaValues) {
+        metaValues.forEach(i -> metaModidMap.put((short) i, modid));
+    }
+
     @Override
     public @Nullable ResourceLocation fixMTEid(@NotNull ResourceLocation original) {
         return null;
diff --git a/src/main/java/gregtech/integration/groovy/GroovyScriptModule.java b/src/main/java/gregtech/integration/groovy/GroovyScriptModule.java
index a3409b37941..830c15c2f67 100644
--- a/src/main/java/gregtech/integration/groovy/GroovyScriptModule.java
+++ b/src/main/java/gregtech/integration/groovy/GroovyScriptModule.java
@@ -61,6 +61,7 @@
 import java.util.NoSuchElementException;
 import java.util.Objects;
 import java.util.function.Supplier;
+import java.util.stream.IntStream;
 
 @Optional.Interface(modid = Mods.Names.GROOVY_SCRIPT,
                     iface = "com.cleanroommc.groovyscript.api.GroovyPlugin",
@@ -100,7 +101,8 @@ public static void afterScriptLoad(ScriptRunEvent.Post event) {
     @SubscribeEvent
     public static void onMTERegistries(MTEManager.MTERegistryEvent event) {
         // automatically create a registry for groovyscript to store its MTEs
-        GregTechAPI.mteManager.createRegistry(GroovyScriptModule.getPackId());
+        GregTechAPI.mteManager.createRegistry(getPackId());
+        GregTechAPI.MIGRATIONS.registriesMigrator().migrate(getPackId(), IntStream.rangeClosed(32000, Short.MAX_VALUE));
     }
 
     public static boolean isCurrentlyRunning() {