diff --git a/all-is-cubes-gpu/src/in_wgpu/vertex.rs b/all-is-cubes-gpu/src/in_wgpu/vertex.rs
index bdb092fc1..f4d7428b6 100644
--- a/all-is-cubes-gpu/src/in_wgpu/vertex.rs
+++ b/all-is-cubes-gpu/src/in_wgpu/vertex.rs
@@ -205,7 +205,7 @@ pub(crate) struct WgpuLinesVertex {
 impl WgpuLinesVertex {
     const ATTRIBUTE_LAYOUT: &'static [wgpu::VertexAttribute] = &wgpu::vertex_attr_array![
         0 => Float32x3,
-        1 => Float32x2,
+        1 => Float32x4,
     ];
 
     pub fn desc() -> wgpu::VertexBufferLayout<'static> {