diff --git a/canlogserver.c b/canlogserver.c
index b5a9d73..b6fa403 100644
--- a/canlogserver.c
+++ b/canlogserver.c
@@ -55,6 +55,7 @@
 #include <time.h>
 
 #include <sys/time.h>
+#include <sys/wait.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
@@ -65,7 +66,6 @@
 #include <linux/can.h>
 #include <linux/can/raw.h>
 #include <signal.h>
-#include <wait.h>
 #include <errno.h>
 
 #include "lib.h"
diff --git a/canplayer.c b/canplayer.c
index ff05f0f..b0b6333 100644
--- a/canplayer.c
+++ b/canplayer.c
@@ -53,6 +53,7 @@
 #include <unistd.h>
 
 #include <net/if.h>
+#include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <linux/can.h>
diff --git a/cansend.c b/cansend.c
index 5c71cfd..9be2163 100644
--- a/cansend.c
+++ b/cansend.c
@@ -52,6 +52,7 @@
 
 #include <net/if.h>
 #include <sys/ioctl.h>
+#include <sys/socket.h>
 
 #include <linux/can.h>
 #include <linux/can/raw.h>
diff --git a/slcan_attach.c b/slcan_attach.c
index b939a10..3d6846a 100644
--- a/slcan_attach.c
+++ b/slcan_attach.c
@@ -51,8 +51,10 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <net/if.h>
+#include <termios.h>
 
 #define LDISC_N_SLCAN 17 /* default slcan line discipline since Kernel 2.6.25 */
 
diff --git a/slcand.c b/slcand.c
index 334c718..2642405 100644
--- a/slcand.c
+++ b/slcand.c
@@ -44,14 +44,15 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <fcntl.h>
 #include <syslog.h>
 #include <errno.h>
 #include <pwd.h>
 #include <signal.h>
+#include <sys/socket.h>
 #include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <net/if.h>
 
 /* default slcan line discipline since Kernel 2.6.25 */
diff --git a/slcanpty.c b/slcanpty.c
index ada6f3b..67dcf35 100644
--- a/slcanpty.c
+++ b/slcanpty.c
@@ -34,6 +34,7 @@
 #include <termios.h>
 
 #include <net/if.h>
+#include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>