diff --git a/include/asm-mips/mach-au1x00/au1000.h b/include/asm-mips/mach-au1x00/au1000.h
index 8e1d7ed7d8e3c3d786e8d9d427b9a8848da4d2c9..4686e17c206cc166603c73b3f8d655ab5d7fcf78 100644
--- a/include/asm-mips/mach-au1x00/au1000.h
+++ b/include/asm-mips/mach-au1x00/au1000.h
@@ -1198,7 +1198,11 @@ extern au1xxx_irq_map_t au1xxx_irq_map[];
 
 /* UARTS 0-3 */
 #define UART_BASE                 UART0_ADDR
+#ifdef	CONFIG_SOC_AU1200
+#define UART_DEBUG_BASE           UART1_ADDR
+#else
 #define UART_DEBUG_BASE           UART3_ADDR
+#endif
 
 #define UART_RX		0	/* Receive buffer */
 #define UART_TX		4	/* Transmit buffer */