diff --git a/multicat.c b/multicat.c
index 8dce781075d36067df711f4fc10813c1aaecd3cb..cf273afd193a3a14a29eae0fd2c12885595b4d4e 100644
--- a/multicat.c
+++ b/multicat.c
@@ -44,6 +44,10 @@
 #include <sys/ioctl.h>
 #include <syslog.h>
 
+#ifdef __FreeBSD__
+#   include <sys/uio.h>
+#endif
+
 #ifdef SIOCGSTAMPNS
 #   define HAVE_TIMESTAMPS
 #endif