diff --git a/partitioner/src/lib.rs b/partitioner/src/lib.rs
index 14f22a74..63e83055 100644
--- a/partitioner/src/lib.rs
+++ b/partitioner/src/lib.rs
@@ -26,12 +26,13 @@ pub mod partitioner;
 #[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub struct BQuad {
     pub upper_left_vertex_index: u32,
-    pub upper_control_point_vertex_index: u32,
     pub upper_right_vertex_index: u32,
+    pub upper_control_point_vertex_index: u32,
+    pad0: u32,
     pub lower_left_vertex_index: u32,
-    pub lower_control_point_vertex_index: u32,
     pub lower_right_vertex_index: u32,
-    pad: [u32; 2],
+    pub lower_control_point_vertex_index: u32,
+    pad1: u32,
 }
 
 impl BQuad {
@@ -50,7 +51,8 @@ impl BQuad {
             lower_left_vertex_index: lower_left_vertex_index,
             lower_control_point_vertex_index: lower_control_point_vertex_index,
             lower_right_vertex_index: lower_right_vertex_index,
-            pad: [0; 2],
+            pad0: 0,
+            pad1: 0,
         }
     }
 }
diff --git a/partitioner/src/partitioner.h b/partitioner/src/partitioner.h
index c61cc8b4..426fb5c4 100644
--- a/partitioner/src/partitioner.h
+++ b/partitioner/src/partitioner.h
@@ -87,12 +87,13 @@ typedef struct pf_edge_indices pf_edge_indices_t;
 
 struct pf_b_quad {
     uint32_t upper_left_vertex_index;
-    uint32_t upper_control_point_vertex_index;
     uint32_t upper_right_vertex_index;
+    uint32_t upper_control_point_vertex_index;
+    uint32_t pad0;
     uint32_t lower_left_vertex_index;
-    uint32_t lower_control_point_vertex_index;
     uint32_t lower_right_vertex_index;
-    uint32_t pad[2];
+    uint32_t lower_control_point_vertex_index;
+    uint32_t pad1;
 };
 
 typedef struct pf_b_quad pf_b_quad_t;