diff --git a/net/procfs/netdev_statistics.c b/net/procfs/netdev_statistics.c
index f71fcf0dcd3..bbb499e4b54 100644
--- a/net/procfs/netdev_statistics.c
+++ b/net/procfs/netdev_statistics.c
@@ -72,11 +72,13 @@ static int netprocfs_inet6draddress(FAR struct netprocfs_file_s *netfile);
 static int netprocfs_blank_line(FAR struct netprocfs_file_s *netfile);
 #endif
 #ifdef CONFIG_NETDEV_STATISTICS
-static int netprocfs_rxstatistics_header(FAR struct netprocfs_file_s *netfile);
+static int netprocfs_rxstatistics_header(
+    FAR struct netprocfs_file_s *netfile);
 static int netprocfs_rxstatistics(FAR struct netprocfs_file_s *netfile);
 static int netprocfs_rxpackets_header(FAR struct netprocfs_file_s *netfile);
 static int netprocfs_rxpackets(FAR struct netprocfs_file_s *netfile);
-static int netprocfs_txstatistics_header(FAR struct netprocfs_file_s *netfile);
+static int netprocfs_txstatistics_header(
+    FAR struct netprocfs_file_s *netfile);
 static int netprocfs_txstatistics(FAR struct netprocfs_file_s *netfile);
 static int netprocfs_errors(FAR struct netprocfs_file_s *netfile);
 #endif /* CONFIG_NETDEV_STATISTICS */
@@ -380,7 +382,8 @@ static int netprocfs_blank_line(FAR struct netprocfs_file_s *netfile)
  ****************************************************************************/
 
 #ifdef CONFIG_NETDEV_STATISTICS
-static int netprocfs_rxstatistics_header(FAR struct netprocfs_file_s *netfile)
+static int netprocfs_rxstatistics_header(
+    FAR struct netprocfs_file_s *netfile)
 {
   DEBUGASSERT(netfile != NULL);
   return snprintf(netfile->line, NET_LINELEN , "\tRX: %-8s %-8s %-8s\n",
@@ -492,7 +495,8 @@ static int netprocfs_rxpackets(FAR struct netprocfs_file_s *netfile)
  ****************************************************************************/
 
 #ifdef CONFIG_NETDEV_STATISTICS
-static int netprocfs_txstatistics_header(FAR struct netprocfs_file_s *netfile)
+static int netprocfs_txstatistics_header(
+    FAR struct netprocfs_file_s *netfile)
 {
   DEBUGASSERT(netfile != NULL);
 
@@ -515,7 +519,8 @@ static int netprocfs_txstatistics(FAR struct netprocfs_file_s *netfile)
   dev = netfile->dev;
   stats = &dev->d_statistics;
 
-  return snprintf(netfile->line, NET_LINELEN, "\t    %08lx %08lx %08lx %08lx\n",
+  return snprintf(netfile->line, NET_LINELEN,
+                  "\t    %08lx %08lx %08lx %08lx\n",
                   (unsigned long)stats->tx_packets,
                   (unsigned long)stats->tx_done,
                   (unsigned long)stats->tx_errors,