diff --git a/shaders/render.frag b/shaders/render.frag
index 3e814d4..c426690 100644
--- a/shaders/render.frag
+++ b/shaders/render.frag
@@ -1,9 +1,9 @@
-#version 330 core
-layout (location = 2) in vec3 adjacent1;
-layout (location = 3) in vec3 adjacent2;
-out vec4 Color;
+#version 410 core
+in vec3 adjacent1;
+in vec3 adjacent2;
 in vec3 fragPos;
 in vec4 outColor;
+out vec4 Color;
 uniform float lightXs[8];
 uniform float lightYs[8];
 uniform float lightZs[8];
diff --git a/shaders/render.vert b/shaders/render.vert
index d98bd86..9c320e6 100644
--- a/shaders/render.vert
+++ b/shaders/render.vert
@@ -1,9 +1,13 @@
-#version 330 core
+#version 410 core
 #define SCALE 100
 layout (location = 0) in vec3 pos;
 layout (location = 1) in vec4 color;
+layout (location = 2) in vec3 adjacentOne;
+layout (location = 3) in vec3 adjacentTwo;
 out vec3 fragPos;
 out vec4 outColor;
+out vec3 adjacent1;
+out vec3 adjacent2;
 uniform vec3 camPos;
 uniform vec2 viewAngles;
 uniform vec2 sinViewAngles;
@@ -39,4 +43,6 @@ void main() {
 	}
 	outColor = color;
 	fragPos = pos;
+	adjacent1 = adjacentOne;
+	adjacent2 = adjacentTwo;
 }
\ No newline at end of file
diff --git a/src/com/alyxferrari/neo3d/gfx/NEOEngine.java b/src/com/alyxferrari/neo3d/gfx/NEOEngine.java
index 4109578..a467182 100644
--- a/src/com/alyxferrari/neo3d/gfx/NEOEngine.java
+++ b/src/com/alyxferrari/neo3d/gfx/NEOEngine.java
@@ -170,6 +170,7 @@ protected static void setVertexAttributePointers() {
 		glVertexAttribPointer(2, 3, GL_FLOAT, false, 13 * SizeOf.FLOAT, 7 * SizeOf.FLOAT);
 		glEnableVertexAttribArray(2);
 		glVertexAttribPointer(3, 3, GL_FLOAT, false, 13 * SizeOf.FLOAT, 10 * SizeOf.FLOAT);
+		glEnableVertexAttribArray(3);
 	}
 	/** Used internally. Converts a float ArrayList to a primitive float array.
 	 */