diff --git a/include/nuttx/sensors/max31855.h b/include/nuttx/sensors/max31855.h
index 0f0e6a2f4cb..106dcf74597 100644
--- a/include/nuttx/sensors/max31855.h
+++ b/include/nuttx/sensors/max31855.h
@@ -88,7 +88,9 @@ extern "C"
  *
  ****************************************************************************/
 
-int max31855_register(FAR const char *devpath, FAR struct spi_dev_s *spi, uint16_t devid);
+int max31855_register(FAR const char *devpath,
+                      FAR struct spi_dev_s *spi,
+                      uint16_t devid);
 
 #undef EXTERN
 #ifdef __cplusplus