diff --git a/wgpu/src/triangle.rs b/wgpu/src/triangle.rs
index 141fc9af..8636b331 100644
--- a/wgpu/src/triangle.rs
+++ b/wgpu/src/triangle.rs
@@ -425,12 +425,18 @@ impl Pipeline {
 #[derive(Debug, Clone, Copy, Zeroable, Pod)]
 struct Uniforms {
     transform: [f32; 16],
+    // We need to align this to 256 bytes to please `wgpu`...
+    // TODO: Be smarter and stop wasting memory!
+    _padding_a: [f32; 32],
+    _padding_b: [f32; 16],
 }
 
 impl Default for Uniforms {
     fn default() -> Self {
         Self {
             transform: *Transformation::identity().as_ref(),
+            _padding_a: [0.0; 32],
+            _padding_b: [0.0; 16],
         }
     }
 }
@@ -439,6 +445,8 @@ impl From<Transformation> for Uniforms {
     fn from(transformation: Transformation) -> Uniforms {
         Self {
             transform: transformation.into(),
+            _padding_a: [0.0; 32],
+            _padding_b: [0.0; 16],
         }
     }
 }