diff --git a/mappings/1.8.2-pre4#1.8.2-pre5.tinydiff b/mappings/1.8.2-pre4#1.8.2-pre5.tinydiff
index b0b34b362..e67e9885b 100644
--- a/mappings/1.8.2-pre4#1.8.2-pre5.tinydiff
+++ b/mappings/1.8.2-pre4#1.8.2-pre5.tinydiff
@@ -251,6 +251,7 @@ c	net/minecraft/unmapped/C_93396801
 	f	I	f_05787585	normals	
 	f	Ljava/nio/ShortBuffer;	f_06967565		shortBuffer
 	f	Lnet/minecraft/unmapped/C_28271920;	f_01127491		currentElement
+	f	I	f_15363365	color	elementIndex
 	m	()V	m_14856693	begin	
 		c	Start with default draw mode {@link org.lwjgl.opengl.GL11#GL_QUADS GL_QUADS}	
 	m	(I)V	m_90389466	begin	
diff --git a/mappings/17w18a-1450#17w18a-1331.tinydiff b/mappings/17w18a-1450#17w18a-1331.tinydiff
index 7d69d64f9..aad4387d0 100644
--- a/mappings/17w18a-1450#17w18a-1331.tinydiff
+++ b/mappings/17w18a-1450#17w18a-1331.tinydiff
@@ -21034,7 +21034,7 @@ c	net/minecraft/unmapped/C_93396801	net/minecraft/client/render/vertex/BufferBui
 	f	Ljava/nio/IntBuffer;	f_50469851	intBuffer	
 	f	Ljava/nio/FloatBuffer;	f_94311347	floatBuffer	
 	f	I	f_98982606	vertexCount	
-	f	I	f_15363365	color	
+	f	I	f_15363365	elementIndex	
 	f	Z	f_19464101	uncolored	
 	f	I	f_76172122	drawMode	
 	f	D	f_64816697	offsetX