diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index e0ba600868..3208b2eda7 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1255,6 +1255,7 @@ mlx5_proc_priv_init(struct rte_eth_dev *dev)
 	struct mlx5_proc_priv *ppriv;
 	size_t ppriv_size;
 
+	mlx5_proc_priv_uninit(dev);
 	/*
 	 * UAR register table follows the process private structure. BlueFlame
 	 * registers for Tx queues are stored in the table.