diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index bdb516b59be6..5699c6bad590 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -6696,7 +6696,7 @@ struct mlx5_ifc_dealloc_transport_domain_out_bits {
 
 struct mlx5_ifc_dealloc_transport_domain_in_bits {
 	u8         opcode[0x10];
-	u8         reserved_at_10[0x10];
+	u8         uid[0x10];
 
 	u8         reserved_at_20[0x10];
 	u8         op_mod[0x10];
@@ -7549,7 +7549,7 @@ struct mlx5_ifc_alloc_transport_domain_out_bits {
 
 struct mlx5_ifc_alloc_transport_domain_in_bits {
 	u8         opcode[0x10];
-	u8         reserved_at_10[0x10];
+	u8         uid[0x10];
 
 	u8         reserved_at_20[0x10];
 	u8         op_mod[0x10];