diff --git a/wgpu/src/triangle/msaa.rs b/wgpu/src/triangle/msaa.rs
index fa752d58..ceada486 100644
--- a/wgpu/src/triangle/msaa.rs
+++ b/wgpu/src/triangle/msaa.rs
@@ -254,11 +254,10 @@ impl Targets {
 struct Ratio {
     u: f32,
     v: f32,
-    // Padding fields to make Ratio 16 byte aligned
+    // Padding field to make Ratio 16 byte aligned
     //
     // See https://docs.rs/wgpu/latest/wgpu/struct.DownlevelFlags.html#associatedconstant.BUFFER_BINDINGS_NOT_16_BYTE_ALIGNED
-    p0: f32,
-    p1: f32,
+    _padding: [f32; 2],
 }
 
 pub struct State {
@@ -311,8 +310,7 @@ impl State {
         let ratio = Ratio {
             u: region_size.width as f32 / targets.size.width as f32,
             v: region_size.height as f32 / targets.size.height as f32,
-            p0: 0.0,
-            p1: 0.0,
+            _padding: [0.0; 2],
         };
 
         if Some(ratio) != self.last_ratio {