diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index 406fa102cb40..c72c89a2285e 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -30,7 +30,7 @@
 
 #define GPIO_REGS_VIRT	io_p2v(0x40E00000)
 
-#define BANK_OFF(n)	(((n) > 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
+#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
 #define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
 
 /* GPIO Pin Level Registers */