diff --git a/src/cmsg.c b/src/cmsg.c
index 3ce828c..42a66c3 100644
--- a/src/cmsg.c
+++ b/src/cmsg.c
@@ -1,6 +1,8 @@
 #include "common.h"
 #include "cmsg.h"
 
+#include <sys/uio.h>
+
 void
 f2b_cmsg_convert_args(f2b_cmsg_t *msg) {
   assert(msg != NULL);
diff --git a/src/cmsg.h b/src/cmsg.h
index c57cd00..db00449 100644
--- a/src/cmsg.h
+++ b/src/cmsg.h
@@ -1,8 +1,6 @@
 #ifndef F2B_CMSG_H_
 #define F2B_CMSG_H_
 
-#include <sys/uio.h>
-
 #include "commands.h"
 
 #define DATA_LEN_MAX 1476 /* 1500 - (16 bytes of cmsg header + 8 bytes of udp) */