diff --git a/src/main/java/net/irisshaders/iris/mixin/vertices/MixinBufferBuilder.java b/src/main/java/net/irisshaders/iris/mixin/vertices/MixinBufferBuilder.java
index 34a31d54af..08fe40cda3 100644
--- a/src/main/java/net/irisshaders/iris/mixin/vertices/MixinBufferBuilder.java
+++ b/src/main/java/net/irisshaders/iris/mixin/vertices/MixinBufferBuilder.java
@@ -156,6 +156,10 @@ private void injectMidBlock(float x, float y, float z, CallbackInfoReturnable<Ve
 			return;
 		}
 
+		// We can't fill these yet.
+		this.elementsToFill = this.elementsToFill & ~IrisVertexFormats.MID_TEXTURE_ELEMENT.mask();
+		this.elementsToFill = this.elementsToFill & ~IrisVertexFormats.TANGENT_ELEMENT.mask();
+
 		if (skipEndVertexOnce) {
 			skipEndVertexOnce = false;
 			return;
@@ -168,10 +172,6 @@ private void injectMidBlock(float x, float y, float z, CallbackInfoReturnable<Ve
 			this.setNormal(0, 0, 0);
 		}
 
-		// We can't fill these yet.
-		this.elementsToFill = this.elementsToFill & ~IrisVertexFormats.MID_TEXTURE_ELEMENT.mask();
-		this.elementsToFill = this.elementsToFill & ~IrisVertexFormats.TANGENT_ELEMENT.mask();
-
 		iris$vertexCount++;
 
 		if (mode == VertexFormat.Mode.QUADS && iris$vertexCount == 4 || mode == VertexFormat.Mode.TRIANGLES && iris$vertexCount == 3) {