diff --git a/arch/arm/src/stm32/stm32_bbsram.c b/arch/arm/src/stm32/stm32_bbsram.c
index 09a2300bad6..5fdbc5bbfa9 100644
--- a/arch/arm/src/stm32/stm32_bbsram.c
+++ b/arch/arm/src/stm32/stm32_bbsram.c
@@ -266,7 +266,7 @@ static inline void stm32_bbsram_unlock(void)
  *
  ****************************************************************************/
 
-static inline void  stm32_bbsram_lock(void)
+static inline void stm32_bbsram_lock(void)
 {
   (void)stm32_pwr_enablebkp(false);
 }