diff --git a/lib/CPUs/MIPS/src/tb_mips_top.vhd b/lib/CPUs/MIPS/src/tb_mips_top.vhd
index f205092..7663903 100644
--- a/lib/CPUs/MIPS/src/tb_mips_top.vhd
+++ b/lib/CPUs/MIPS/src/tb_mips_top.vhd
@@ -87,6 +87,7 @@ ARCHITECTURE behavior OF tb_mips_top IS
 	signal DAT_O_uart	: unsigned(31 downto 0);
 
 	signal flash_cs_n	: std_logic;
+	signal flash_we_n	: std_logic;
 	signal flash_oe_n	: std_logic;
 	signal flash_be_n	: unsigned(3 downto 0);
 	signal sram_cs_n	: std_logic;
@@ -283,7 +284,7 @@ inst_flash_port : entity work.async_port_wb
 		async_a		=> flash_a,
 		async_d		=> flash_d,
 		async_cs	=> flash_cs_n,
-		async_wr	=> open,
+		async_wr	=> flash_we_n,
 		async_rd	=> flash_oe_n,
 		async_be	=> flash_be_n,
 		async_rst	=> open