diff --git a/arch/arm/src/stm32l4/stm32l4_pwm.c b/arch/arm/src/stm32l4/stm32l4_pwm.c
index bbcbc280f6..2c39b7db97 100644
--- a/arch/arm/src/stm32l4/stm32l4_pwm.c
+++ b/arch/arm/src/stm32l4/stm32l4_pwm.c
@@ -2682,7 +2682,8 @@ static int pwm_soft_break(FAR struct pwm_lowerhalf_s *dev, bool state)
  *
  ****************************************************************************/
 
-static uint16_t pwm_outputs_from_channels(FAR struct stm32l4_pwmtimer_s *priv)
+static uint16_t
+  pwm_outputs_from_channels(FAR struct stm32l4_pwmtimer_s *priv)
 {
   uint16_t outputs = 0;
   uint8_t  channel = 0;