diff --git a/examples/obldc/led/led.c b/examples/obldc/led/led.c
index 44695f84..77841065 100644
--- a/examples/obldc/led/led.c
+++ b/examples/obldc/led/led.c
@@ -28,7 +28,7 @@ void clock_setup(void)
 
 	/* Enable GPIOA clock. */
 	rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
-	
+
 	/* Enable GPIOB clock. */
 	rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
 }
@@ -38,7 +38,7 @@ void gpio_setup(void)
 	/* Set GPIO6 and 7 (in GPIO port A) to 'output push-pull'. */
 	gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
 		      GPIO_CNF_OUTPUT_PUSHPULL, GPIO6 | GPIO7);
-	
+
 	/* Set GPIO0 and 1 (in GPIO port B) to 'output push-pull'. */
 	gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
 		      GPIO_CNF_OUTPUT_PUSHPULL, GPIO0 | GPIO1);