diff --git a/mappings/com/mojang/blaze3d/systems/RenderSystem.mapping b/mappings/com/mojang/blaze3d/systems/RenderSystem.mapping
index cea099e851..9bb3ad67ec 100644
--- a/mappings/com/mojang/blaze3d/systems/RenderSystem.mapping
+++ b/mappings/com/mojang/blaze3d/systems/RenderSystem.mapping
@@ -1,5 +1,6 @@
 CLASS com/mojang/blaze3d/systems/RenderSystem
 	FIELD MAX_SUPPORTED_TEXTURE_SIZE maxSupportedTextureSize I
+	FIELD RENDER_THREAD_TESSELATOR RENDER_THREAD_TESSELLATOR Lnet/minecraft/unmapped/C_hiiunyvh;
 	FIELD modelViewStack MODEL_VIEW_STACK Lorg/joml/Matrix4fStack;
 	FIELD recordingQueue RECORDING_QUEUE Ljava/util/concurrent/ConcurrentLinkedQueue;
 	FIELD shaderColor SHADER_COLOR [F