diff --git a/projects/mips_sys/src/mips_sys.vhd b/projects/mips_sys/src/mips_sys.vhd
index dd2ee22..0bff6ad 100644
--- a/projects/mips_sys/src/mips_sys.vhd
+++ b/projects/mips_sys/src/mips_sys.vhd
@@ -320,6 +320,8 @@ ARCHITECTURE behavior OF mips_sys IS
 	signal int_timer	: std_logic;
 	signal int_uart0	: std_logic;
 	signal int_uart1	: std_logic;
+	signal uart1_tx		: std_logic;
+	signal uart1_rx		: std_logic;
 	signal locked		: std_logic;
 	signal usb_addr 	: unsigned(31 downto 0);
 	signal flash_addr	: unsigned(31 downto 0);
@@ -461,7 +463,9 @@ BEGIN
 	SEL_I_sdram			<= "0000" & SEL_O;
 	
 	sys_flash_ac97_rstn	<= ac97_rstn and flash_rstn;
-	sys_uart2_tx 		<= sys_uart2_rx;
+	sys_uart1_tx		<= uart1_tx;
+	sys_uart2_tx		<= uart1_tx;
+	uart1_rx			<= sys_uart1_rx and sys_uart2_rx;
 	sys_uart3_tx 		<= sys_uart3_rx;
 	
 	---------------------------------------------------------------
@@ -779,8 +783,8 @@ inst_uart_wb_1 : uart_wb
 		DAT_I		=> MDAT_O,
 		DAT_O		=> SDAT_O_uart1,
 		INT_O		=> int_uart1,
-		ser_rx		=> sys_uart1_rx,
-		ser_tx		=> sys_uart1_tx
+		ser_rx		=> uart1_rx,
+		ser_tx		=> uart1_tx
 	);