diff --git a/modules/wishbone/wishbone_pkg.vhd b/modules/wishbone/wishbone_pkg.vhd
index f3e194570e6d26803074c64e114fad9b16d04a37..df774e0281ea7059ced195fa44e5edb52930f314 100644
--- a/modules/wishbone/wishbone_pkg.vhd
+++ b/modules/wishbone/wishbone_pkg.vhd
@@ -60,5 +60,11 @@ package wishbone_pkg is
       pad_mosi_o : out std_logic;
       pad_miso_i : in  std_logic);
   end component;
+
+  type t_wishbone_master_out_array is array (natural range <>) of t_wishbone_master_out;
+  type t_wishbone_slave_out_array  is array (natural range <>) of t_wishbone_slave_out;
+  type t_wishbone_master_in_array is array (natural range <>) of t_wishbone_master_in;
+  type t_wishbone_slave_in_array  is array (natural range <>) of t_wishbone_slave_in;
+
   
 end wishbone_pkg;