diff --git a/lib/CPUs/MIPS/src/core/mips_bui.vhd b/lib/CPUs/MIPS/src/core/mips_bui.vhd
index 6c74be4..c7ff146 100644
--- a/lib/CPUs/MIPS/src/core/mips_bui.vhd
+++ b/lib/CPUs/MIPS/src/core/mips_bui.vhd
@@ -40,9 +40,9 @@ entity biu is
 		CLK_I			: in  STD_LOGIC;
 		ACK_I			: in  STD_LOGIC;
 		SRDY_I			: in  STD_LOGIC;
-		ADDR_O			: out word_t;
-		DAT_I			: in  word_t;
-		DAT_O			: out word_t;
+		ADDR_O			: out unsigned(31 downto 0);
+		DAT_I			: in  unsigned(31 downto 0);
+		DAT_O			: out unsigned(31 downto 0);
 		WE_O			: out STD_LOGIC;
 		SEL_O			: out unsigned(3 downto 0);
 		CYC_O			: out STD_LOGIC;