diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index 7e5ebb5..9b0447c 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -404,6 +404,7 @@
 		}
 
 		pin = bank->chipbase;
+		gpio = &irq_desc[pin];
 
 		while (isr) {
 			if (isr & 1) {