diff --git a/bridge/fdb.c b/bridge/fdb.c
index 9b720e30..336cf9d7 100644
--- a/bridge/fdb.c
+++ b/bridge/fdb.c
@@ -20,6 +20,7 @@
 #include <linux/if_ether.h>
 #include <linux/neighbour.h>
 #include <string.h>
+#include <limits.h>
 
 #include "libnetlink.h"
 #include "br_common.h"
diff --git a/misc/lnstat.h b/misc/lnstat.h
index 06774ab3..83dad970 100644
--- a/misc/lnstat.h
+++ b/misc/lnstat.h
@@ -2,6 +2,7 @@
 #define _LNSTAT_H
 
 #include <limits.h>
+#include <sys/select.h>
 
 #define LNSTAT_VERSION "0.02 041002"
 
diff --git a/tc/f_bpf.c b/tc/f_bpf.c
index d52d7d8e..8f1593c9 100644
--- a/tc/f_bpf.c
+++ b/tc/f_bpf.c
@@ -20,6 +20,7 @@
 #include <string.h>
 #include <stdbool.h>
 #include <errno.h>
+#include <limits.h>
 #include <linux/filter.h>
 #include <linux/if.h>
 
diff --git a/tc/tc_stab.c b/tc/tc_stab.c
index 47b4e5e3..a8404f8e 100644
--- a/tc/tc_stab.c
+++ b/tc/tc_stab.c
@@ -17,6 +17,7 @@
 #include <fcntl.h>
 #include <math.h>
 #include <sys/socket.h>
+#include <sys/param.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>
diff --git a/tc/tc_util.c b/tc/tc_util.c
index 15fb0534..f1fca0a8 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -16,6 +16,7 @@
 #include <syslog.h>
 #include <fcntl.h>
 #include <sys/socket.h>
+#include <sys/param.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <string.h>