diff --git a/sys/dev/mlx5/qp.h b/sys/dev/mlx5/qp.h
index e7da451ddb7..c9204aacd5e 100644
--- a/sys/dev/mlx5/qp.h
+++ b/sys/dev/mlx5/qp.h
@@ -143,11 +143,8 @@ enum {
 	MLX5_WQE_CTRL_SOLICITED		= 1 << 1,
 };
 
-enum {
-	MLX5_SEND_WQE_DS	= 16,
-	MLX5_SEND_WQE_BB	= 64,
-};
-
+#define	MLX5_SEND_WQE_DS	16
+#define	MLX5_SEND_WQE_BB	64
 #define MLX5_SEND_WQEBB_NUM_DS	(MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
 
 enum {