diff --git a/common/src/main/java/net/irisshaders/iris/compat/dh/IrisGenericRenderProgram.java b/common/src/main/java/net/irisshaders/iris/compat/dh/IrisGenericRenderProgram.java
index 7a4ce859b1..367b896fde 100644
--- a/common/src/main/java/net/irisshaders/iris/compat/dh/IrisGenericRenderProgram.java
+++ b/common/src/main/java/net/irisshaders/iris/compat/dh/IrisGenericRenderProgram.java
@@ -38,7 +38,6 @@
 import org.lwjgl.opengl.GL30C;
 import org.lwjgl.opengl.GL32;
 import org.lwjgl.opengl.GL32C;
-import org.lwjgl.opengl.GL43;
 import org.lwjgl.opengl.GL43C;
 import org.lwjgl.system.MemoryStack;
 
@@ -137,10 +136,8 @@ private IrisGenericRenderProgram(String name, boolean isShadowPass, boolean tran
 
 		this.va = GlStateManager._glGenVertexArrays();
 		GlStateManager._glBindVertexArray(va);
-		GL43.glVertexAttribFormat(0, 3, GL43C.GL_FLOAT,
-			false, 0); // Here strideSize is new attrib offset
-		GL43.glVertexAttribBinding(0, 0);
-		GL43.glEnableVertexAttribArray(0);
+		GL32.glVertexAttribPointer(0, 3, GL32.GL_FLOAT, false, 0, 0);
+		GL32.glEnableVertexAttribArray(0);
 
 		projectionUniform = tryGetUniformLocation2("iris_ProjectionMatrix");
 		projectionInverseUniform = tryGetUniformLocation2("iris_ProjectionMatrixInverse");
@@ -264,7 +261,8 @@ public void unbind() {
 
 	@Override
 	public void bindVertexBuffer(int i) {
-		GL43.glBindVertexBuffer(0, i, 0, 12);
+		GL32.glBindBuffer(GL32.GL_ARRAY_BUFFER, i);
+		GL32.glVertexAttribPointer(0, 3, GL32.GL_FLOAT, false, 12, 0);
 	}
 
 	@Override