diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c
index 70f1db9..185d6e1 100644
--- a/board/atmel/at91sam9261ek/at91sam9261ek.c
+++ b/board/atmel/at91sam9261ek/at91sam9261ek.c
@@ -48,19 +48,19 @@
 #ifdef CONFIG_USART0
 	at91_set_A_periph(AT91_PIN_PC8, 1);		/* TXD0 */
 	at91_set_A_periph(AT91_PIN_PC9, 0);		/* RXD0 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
 #endif
 
 #ifdef CONFIG_USART1
 	at91_set_A_periph(AT91_PIN_PC12, 1);		/* TXD1 */
 	at91_set_A_periph(AT91_PIN_PC13, 0);		/* RXD1 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
 #endif
 
 #ifdef CONFIG_USART2
 	at91_set_A_periph(AT91_PIN_PC14, 1);		/* TXD2 */
 	at91_set_A_periph(AT91_PIN_PC15, 0);		/* RXD2 */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
 #endif
 
 #ifdef CONFIG_USART3	/* DBGU */