diff --git a/lib/ftp.c b/lib/ftp.c
index 7e0aff7756..e20514047e 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -40,7 +40,7 @@
 
 #if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
 
-#else /* some kind of unix */
+#else /* probably some kind of unix */
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
@@ -51,7 +51,9 @@
 #ifdef HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
+#ifdef HAVE_UTSNAME_H
 #include <sys/utsname.h>
+#endif
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif