diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 3ab41571f511..9f3090db2f16 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -565,7 +565,8 @@ struct drm_amdgpu_userq_wait {
 	 * @num_syncobj_handles: A count that represents the number of syncobj handles in
 	 * @syncobj_handles.
 	 */
-	__u32	num_syncobj_handles;
+	__u16	num_syncobj_handles;
+	__u16	pad0;
 	/**
 	 * @num_bo_read_handles: A count that represents the number of read BO handles in
 	 * @bo_read_handles.