diff --git a/src/main/resources/META-INF/accesstransformer.cfg b/src/main/resources/META-INF/accesstransformer.cfg
index 294d340913..ac1e57dfb8 100644
--- a/src/main/resources/META-INF/accesstransformer.cfg
+++ b/src/main/resources/META-INF/accesstransformer.cfg
@@ -395,4 +395,7 @@ public net.minecraft.block.Block$Builder func_208770_d()Lnet/minecraft/block/Blo
 public net.minecraft.block.Block$Builder func_200943_b(F)Lnet/minecraft/block/Block$Builder; # hardnessAndResistance
 
 #ChunkGeneratorType
-public net.minecraft.world.gen.ChunkGeneratorType$Settings
\ No newline at end of file
+public net.minecraft.world.gen.ChunkGeneratorType$Settings
+
+#IChunkGeneratorFactory
+public net.minecraft.world.gen.IChunkGeneratorFactory