diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index 0fa19d22..e2830c45 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -269,7 +269,7 @@ struct vkd3d_va_block
 
 struct vkd3d_va_tree
 {
-    struct vkd3d_va_block blocks[1u << VKD3D_VA_BLOCK_BITS];
+    struct vkd3d_va_block blocks[VKD3D_VA_BLOCK_COUNT];
     struct vkd3d_va_tree *next[VKD3D_VA_NEXT_COUNT];
 };