diff --git a/arch/arm/src/stm32l4/stm32l4_lptim.h b/arch/arm/src/stm32l4/stm32l4_lptim.h
index 590ef1963c4..ec7da53807f 100644
--- a/arch/arm/src/stm32l4/stm32l4_lptim.h
+++ b/arch/arm/src/stm32l4/stm32l4_lptim.h
@@ -38,6 +38,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  ************************************************************************************/
+
 /************************************************************************************
  *   Copyright (c) 2015 Google, Inc.
  *   All rights reserved.