diff --git a/arch/arm/mach-comcerto/include/mach/uncompress.h b/arch/arm/mach-comcerto/include/mach/uncompress.h
index f3f0c4b..0467af0 100644
--- a/arch/arm/mach-comcerto/include/mach/uncompress.h
+++ b/arch/arm/mach-comcerto/include/mach/uncompress.h
@@ -24,7 +24,7 @@
 #ifdef CONFIG_COMCERTO_UART1_SUPPORT
 	#define UART_DR		(*(volatile unsigned long *)0x96400000)
 	#define UART_LSR	(*(volatile unsigned long *)0x96400014)
-#elif CONFIG_COMCERTO_UART0_SUPPORT
+#elif defined(CONFIG_COMCERTO_UART0_SUPPORT)
 	#define UART_DR		(*(volatile unsigned long *)0x96300000)
 	#define UART_LSR	(*(volatile unsigned long *)0x96300014)
 #else