diff --git a/wgpu/examples/hello-triangle/shader.vert b/wgpu/examples/hello-triangle/shader.vert
index ac6dcc7c32..2b9399e710 100644
--- a/wgpu/examples/hello-triangle/shader.vert
+++ b/wgpu/examples/hello-triangle/shader.vert
@@ -4,12 +4,7 @@ out gl_PerVertex {
     vec4 gl_Position;
 };
 
-const vec2 positions[3] = vec2[3](
-    vec2(0.0, -0.5),
-    vec2(0.5, 0.5),
-    vec2(-0.5, 0.5)
-);
-
 void main() {
-    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    vec2 position = vec2(gl_VertexIndex, (gl_VertexIndex & 1) * 2) - 1;
+    gl_Position = vec4(position, 0.0, 1.0);
 }
diff --git a/wgpu/examples/hello-triangle/shader.vert.spv b/wgpu/examples/hello-triangle/shader.vert.spv
index 9a3f5994b7..ea22e0c6c8 100644
Binary files a/wgpu/examples/hello-triangle/shader.vert.spv and b/wgpu/examples/hello-triangle/shader.vert.spv differ