diff --git a/assets/shaders/vertex.glsl b/assets/shaders/vertex.glsl
index e591bc8..e8c5098 100644
--- a/assets/shaders/vertex.glsl
+++ b/assets/shaders/vertex.glsl
@@ -10,6 +10,6 @@ varying vec2 pos_2d_i;
 void main()
 {
     gl_Position = projection *
-        (modelview * vec4(pos, 0, 1) + vec4(offset, 0, 1));
+        (modelview * vec4(pos, 0, 1) + vec4(offset, 0, 0));
     pos_2d_i = pos + offset;
 }
diff --git a/src/com/homelinux/holtrop/opengltest/MyRenderer.java b/src/com/homelinux/holtrop/opengltest/MyRenderer.java
index 23ccd46..3dafeb5 100644
--- a/src/com/homelinux/holtrop/opengltest/MyRenderer.java
+++ b/src/com/homelinux/holtrop/opengltest/MyRenderer.java
@@ -33,7 +33,6 @@ public class MyRenderer implements GLSurfaceView.Renderer
     private float m_modelview[] = new float[16];
     private int m_width;
     private int m_height;
-    private float m_aspect = 1.0f;
     private final int GRID_WIDTH = 16;
     private final int GRID_HEIGHT = 9;
     private float[][] m_tiles = new float[GRID_WIDTH][GRID_HEIGHT];
@@ -186,7 +185,6 @@ public class MyRenderer implements GLSurfaceView.Renderer
     {
         m_width = width;
         m_height = height;
-        m_aspect = width / (float) height;
 
         GLES20.glViewport(0, 0, width, height);