diff --git a/crates/encoding/src/clip.rs b/crates/encoding/src/clip.rs
index 1ecbadb..7006ea4 100644
--- a/crates/encoding/src/clip.rs
+++ b/crates/encoding/src/clip.rs
@@ -16,6 +16,7 @@ pub struct ClipBic {
 #[repr(C)]
 pub struct ClipElement {
     pub parent_ix: u32,
+    _padding: [u8; 12],
     pub bbox: [f32; 4],
 }
 
diff --git a/crates/encoding/src/path.rs b/crates/encoding/src/path.rs
index 45f679f..9e20490 100644
--- a/crates/encoding/src/path.rs
+++ b/crates/encoding/src/path.rs
@@ -209,6 +209,7 @@ pub struct Path {
     pub bbox: [f32; 4],
     /// Offset (in u32s) to tile rectangle.
     pub tiles: u32,
+    _padding: [u32; 3],
 }
 
 /// Tile object.