diff --git a/drivers/platform/mellanox/mlxreg-io.c b/drivers/platform/mellanox/mlxreg-io.c
index a916cd89cbbed..2c2686d5c2fc9 100644
--- a/drivers/platform/mellanox/mlxreg-io.c
+++ b/drivers/platform/mellanox/mlxreg-io.c
@@ -18,7 +18,7 @@
 
 /* Attribute parameters. */
 #define MLXREG_IO_ATT_SIZE	10
-#define MLXREG_IO_ATT_NUM	48
+#define MLXREG_IO_ATT_NUM	96
 
 /**
  * struct mlxreg_io_priv_data - driver's private data: