diff --git a/sys/dev/mlx5/mlx5_core/mlx5_main.c b/sys/dev/mlx5/mlx5_core/mlx5_main.c
index b6a1d6843277..3f8aabe7487f 100644
--- a/sys/dev/mlx5/mlx5_core/mlx5_main.c
+++ b/sys/dev/mlx5/mlx5_core/mlx5_main.c
@@ -692,8 +692,8 @@ static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili,
 		}
 		if (warn_time_mili && time_after(jiffies, warn)) {
 			mlx5_core_warn(dev,
-			    "Waiting for FW initialization, timeout abort in %lu s\n",
-			    jiffies_to_msecs(end - warn) / 1000);
+			    "Waiting for FW initialization, timeout abort in %u s\n",
+			    (unsigned int)(jiffies_to_msecs(end - warn) / 1000));
 			warn = jiffies + msecs_to_jiffies(warn_time_mili);
 		}
 		msleep(FW_INIT_WAIT_MS);