diff --git a/tools/icmp6.c b/tools/icmp6.c
index ae1fcce..5f60376 100644
--- a/tools/icmp6.c
+++ b/tools/icmp6.c
@@ -32,8 +32,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 #include <netinet/tcp.h>
 #include <netinet/udp.h>
diff --git a/tools/mldq6.c b/tools/mldq6.c
index 529f8d2..e180f67 100644
--- a/tools/mldq6.c
+++ b/tools/mldq6.c
@@ -39,8 +39,8 @@
 #include <unistd.h>
 
 #include <arpa/inet.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include "ipv6toolkit.h"
diff --git a/tools/na6.c b/tools/na6.c
index ad1b8cc..b267959 100644
--- a/tools/na6.c
+++ b/tools/na6.c
@@ -41,8 +41,8 @@
 #include <unistd.h>
 
 #include <arpa/inet.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include "ipv6toolkit.h"
diff --git a/tools/ni6.c b/tools/ni6.c
index b9cae24..64fcc01 100644
--- a/tools/ni6.c
+++ b/tools/ni6.c
@@ -32,8 +32,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 #include <netinet/tcp.h>
 #include <netinet/udp.h>
diff --git a/tools/ns6.c b/tools/ns6.c
index c7326e9..2b1fdc3 100644
--- a/tools/ns6.c
+++ b/tools/ns6.c
@@ -40,8 +40,8 @@
 #include <unistd.h>
 
 #include <arpa/inet.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include "ipv6toolkit.h"
diff --git a/tools/path6.c b/tools/path6.c
index 4237cc9..41ebcd7 100644
--- a/tools/path6.c
+++ b/tools/path6.c
@@ -33,8 +33,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 #include <netinet/tcp.h>
 
diff --git a/tools/ra6.c b/tools/ra6.c
index bb453e3..9055772 100644
--- a/tools/ra6.c
+++ b/tools/ra6.c
@@ -34,8 +34,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 #include <pcap.h>
 
diff --git a/tools/rs6.c b/tools/rs6.c
index 588b21e..1dd7cd0 100644
--- a/tools/rs6.c
+++ b/tools/rs6.c
@@ -39,8 +39,8 @@
 #include <unistd.h>
 
 #include <arpa/inet.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include "ipv6toolkit.h"
diff --git a/tools/tcp6.c b/tools/tcp6.c
index c918c1a..5a6cf4e 100644
--- a/tools/tcp6.c
+++ b/tools/tcp6.c
@@ -33,8 +33,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include <errno.h>
diff --git a/tools/udp6.c b/tools/udp6.c
index 7a7137a..bf24c87 100644
--- a/tools/udp6.c
+++ b/tools/udp6.c
@@ -33,8 +33,8 @@
 
 #include <arpa/inet.h>
 #include <net/if.h>
-#include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip6.h>
 
 #include <errno.h>