diff --git a/buildscript/src/main/java/Buildscript.java b/buildscript/src/main/java/Buildscript.java
index 2b147977d8..f6ff3efe43 100644
--- a/buildscript/src/main/java/Buildscript.java
+++ b/buildscript/src/main/java/Buildscript.java
@@ -46,7 +46,7 @@ public class Buildscript extends SimpleFabricProject {
 	static final boolean SODIUM = true;
 	static final boolean CUSTOM_SODIUM = true;
 	static final String MC_VERSION = "1.20.2";
-	static final String customSodiumName = "sodium-fabric-mc1.20.2-0.5.3+git.e228d59.jar";
+	static final String customSodiumName = "sodium-fabric-mc1.20.2-0.5.3+git.43e53c4.jar";
 
 	private static final String[] SOURCE_SETS = new String[] {
 		"main",
diff --git a/src/main/java/net/coderbot/iris/mixin/vertices/MixinBufferBuilder.java b/src/main/java/net/coderbot/iris/mixin/vertices/MixinBufferBuilder.java
index 00b477e7ff..486716965e 100644
--- a/src/main/java/net/coderbot/iris/mixin/vertices/MixinBufferBuilder.java
+++ b/src/main/java/net/coderbot/iris/mixin/vertices/MixinBufferBuilder.java
@@ -182,8 +182,12 @@ public abstract class MixinBufferBuilder extends DefaultedVertexConsumer impleme
 		VertexFormatDescription formatDescription = VertexFormatRegistry.instance()
 			.get(format);
 
-		this.uv1Offset = formatDescription.getElementOffset(CommonVertexAttribute.OVERLAY);
-		this.normalOffset = formatDescription.getElementOffset(CommonVertexAttribute.NORMAL);
+		if (formatDescription.containsElement(CommonVertexAttribute.OVERLAY)) {
+			this.uv1Offset = formatDescription.getElementOffset(CommonVertexAttribute.OVERLAY);
+		}
+		if (formatDescription.containsElement(CommonVertexAttribute.NORMAL)) {
+			this.normalOffset = formatDescription.getElementOffset(CommonVertexAttribute.NORMAL);
+		}
 		if (formatDescription.containsElement(IrisCommonVertexAttributes.TANGENT)) {
 			this.tangentOffset = formatDescription.getElementOffset(IrisCommonVertexAttributes.TANGENT);
 		}
@@ -209,8 +213,8 @@ public abstract class MixinBufferBuilder extends DefaultedVertexConsumer impleme
 			return;
 		}
 
-		if (injectNormalAndUV1 && currentElement == DefaultVertexFormat.ELEMENT_NORMAL) {
-			MemoryUtil.memPutInt(MemoryUtil.memAddress(buffer, nextElementByte + uv1Offset), 0);
+		if (injectNormalAndUV1) {
+			this.normal(0, 0, 0);
 		}
 
 		if (iris$isTerrain) {