diff --git a/src/login.c b/src/login.c
index aa817c0..de4fbb5 100644
--- a/src/login.c
+++ b/src/login.c
@@ -25,6 +25,7 @@
 #include <arpa/inet.h>
 #endif
 
+#include "login.h"
 #include "md5.h"
 
 /*
diff --git a/src/read.c b/src/read.c
index 2c26584..51c3bb0 100644
--- a/src/read.c
+++ b/src/read.c
@@ -19,6 +19,8 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+#include "read.h"
+
 static int
 readname_loop(char *packet, int packetlen, char **src, char *dst, size_t length, size_t loop)
 {
diff --git a/src/util.c b/src/util.c
index 5cbad72..92e5f88 100644
--- a/src/util.c
+++ b/src/util.c
@@ -17,6 +17,7 @@
 
 #include <stdio.h>
 #include "common.h"
+#include "util.h"
 
 char *
 get_resolvconf_addr()