diff --git a/include/asterisk/lock.h b/include/asterisk/lock.h
index 8525e18c5b..471c938f24 100644
--- a/include/asterisk/lock.h
+++ b/include/asterisk/lock.h
@@ -49,6 +49,7 @@
 #include <netdb.h>
 #include <time.h>
 #include <sys/param.h>
+#include <unistd.h>
 
 #ifndef HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK
 #include "asterisk/time.h"
@@ -104,7 +105,6 @@
 #include <errno.h>
 #include <string.h>
 #include <stdio.h>
-#include <unistd.h>
 
 #define AST_MUTEX_INIT_VALUE { PTHREAD_MUTEX_INIT_VALUE, 1, { NULL }, { 0 }, 0, { NULL }, { 0 }, PTHREAD_MUTEX_INIT_VALUE }
 #define AST_MUTEX_INIT_VALUE_NOTRACKING \