diff --git a/sw/airborne/arch/lpc21/mcu_periph/uart_arch.c b/sw/airborne/arch/lpc21/mcu_periph/uart_arch.c
index cb667a1c99..6f7472932a 100644
--- a/sw/airborne/arch/lpc21/mcu_periph/uart_arch.c
+++ b/sw/airborne/arch/lpc21/mcu_periph/uart_arch.c
@@ -36,12 +36,12 @@ void uart_periph_init_param(struct uart_periph* p, uint16_t baud, uint8_t mode,
   ((uartRegs_t *)(p->reg_addr))->iir;         // clear interrupt ID
   ((uartRegs_t *)(p->reg_addr))->rbr;         // clear receive register
   ((uartRegs_t *)(p->reg_addr))->lsr;         // clear line status register
-  
+
   // set the baudrate
   ((uartRegs_t *)(p->reg_addr))->lcr = ULCR_DLAB_ENABLE;     // select divisor latches 
   ((uartRegs_t *)(p->reg_addr))->dll = (uint8_t)baud;        // set for baud low byte
   ((uartRegs_t *)(p->reg_addr))->dlm = (uint8_t)(baud >> 8); // set for baud high byte
-  
+
   // set the number of characters and other
   // user specified operating parameters
   ((uartRegs_t *)(p->reg_addr))->lcr = (mode & ~ULCR_DLAB_ENABLE);
diff --git a/sw/airborne/arch/omap/mcu_periph/uart_arch.c b/sw/airborne/arch/omap/mcu_periph/uart_arch.c
index 80297d57a2..486ac10c04 100644
--- a/sw/airborne/arch/omap/mcu_periph/uart_arch.c
+++ b/sw/airborne/arch/omap/mcu_periph/uart_arch.c
@@ -91,7 +91,7 @@ static inline void uart_handler(struct uart_periph* p) {
   if(read(fd,&c,1) > 0){
     //printf("r %x %c\n",c,c);
     uint16_t temp = (p->rx_insert_idx + 1) % UART_RX_BUFFER_SIZE;
-    p->rx_buf[p->rx_insert_idx] = c;    
+    p->rx_buf[p->rx_insert_idx] = c;
     // check for more room in queue
     if (temp != p->rx_extract_idx)
       p->rx_insert_idx = temp; // update insert index
@@ -99,7 +99,7 @@ static inline void uart_handler(struct uart_periph* p) {
 
 }
 
-#ifdef USE_UART0 
+#ifdef USE_UART0
 
 void uart0_init( void ) {
   uart_periph_init(&uart0);
@@ -113,7 +113,7 @@ void uart0_handler(void) {
 
 #endif /* USE_UART0 */
 
-#ifdef USE_UART1 
+#ifdef USE_UART1
 
 void uart1_init( void ) {
   uart_periph_init(&uart1);
diff --git a/sw/airborne/arch/omap/mcu_periph/uart_arch.h b/sw/airborne/arch/omap/mcu_periph/uart_arch.h
index 98f70de300..bce2dcf0b1 100644
--- a/sw/airborne/arch/omap/mcu_periph/uart_arch.h
+++ b/sw/airborne/arch/omap/mcu_periph/uart_arch.h
@@ -1,6 +1,6 @@
 /*
  * $Id$
- *  
+ *
  * Copyright (C) 2009 Antoine Drouin <poinix@gmail.com>
  *
  * This file is part of paparazzi.
@@ -46,7 +46,7 @@
 #define UART1_irq_handler usart1_irq_handler
 #define UART2_irq_handler usart2_irq_handler
 #define UART3_irq_handler usart3_irq_handler
-#define UART5_irq_handler usart5_irq_handler 
+#define UART5_irq_handler usart5_irq_handler
 
 #if defined USE_UART0 || OVERRIDE_UART0_IRQ_HANDLER
 extern void uart0_handler(void);