diff --git a/tools/lib/h5tools_utils.h b/tools/lib/h5tools_utils.h
index b5c74a03963..e2aceb070d7 100644
--- a/tools/lib/h5tools_utils.h
+++ b/tools/lib/h5tools_utils.h
@@ -71,7 +71,7 @@ typedef struct H5FD_ros3_fapl_ext_t {
     char             token[H5FD_ROS3_MAX_SECRET_TOK_LEN + 1]; /* Session/security token*/
 } H5FD_ros3_fapl_ext_t;
 #endif /* H5_HAVE_ROS3_VFD */
-  
+
 H5TOOLS_DLLVAR unsigned h5tools_nCols; /*max number of columns for outputting  */
 
 /* Definitions of useful routines */