diff --git a/sys/mips/atheros/ar71xx_gpio.c b/sys/mips/atheros/ar71xx_gpio.c
index be16f925edd7..9151b9edef51 100644
--- a/sys/mips/atheros/ar71xx_gpio.c
+++ b/sys/mips/atheros/ar71xx_gpio.c
@@ -226,10 +226,12 @@ ar71xx_gpio_pin_max(device_t dev, int *maxpin)
 			*maxpin = AR91XX_GPIO_PINS - 1;
 			break;
 		case AR71XX_SOC_AR7240:
-		case AR71XX_SOC_AR7241:
 		case AR71XX_SOC_AR7242:
 			*maxpin = AR724X_GPIO_PINS - 1;
 			break;
+		case AR71XX_SOC_AR7241:
+			*maxpin = AR7241_GPIO_PINS - 1;
+			break;
 		case AR71XX_SOC_AR9330:
 		case AR71XX_SOC_AR9331:
 			*maxpin = AR933X_GPIO_COUNT - 1;
diff --git a/sys/mips/atheros/ar71xx_gpiovar.h b/sys/mips/atheros/ar71xx_gpiovar.h
index 8279618f9be4..35af376313f5 100644
--- a/sys/mips/atheros/ar71xx_gpiovar.h
+++ b/sys/mips/atheros/ar71xx_gpiovar.h
@@ -55,6 +55,7 @@
 
 #define	AR71XX_GPIO_PINS	12
 #define	AR724X_GPIO_PINS	18
+#define	AR7241_GPIO_PINS	20
 #define	AR91XX_GPIO_PINS	22
 
 struct ar71xx_gpio_softc {