diff --git a/net/mdk3/patches/001-radiotap_needs_types_h.patch b/net/mdk3/patches/001-radiotap_needs_types_h.patch
new file mode 100644
index 000000000..77a155a81
--- /dev/null
+++ b/net/mdk3/patches/001-radiotap_needs_types_h.patch
@@ -0,0 +1,11 @@
+diff -urN mdk3-v6/osdep/radiotap/radiotap-parser.c mdk3-v6.new/osdep/radiotap/radiotap-parser.c
+--- mdk3-v6/osdep/radiotap/radiotap-parser.c	2009-08-16 18:16:14.000000000 +0200
++++ mdk3-v6.new/osdep/radiotap/radiotap-parser.c	2009-11-01 10:30:08.000000000 +0100
+@@ -18,6 +18,7 @@
+ 
+ #include <stdio.h>
+ #include <errno.h>
++#include <sys/types.h>
+ 
+ #include "radiotap-parser.h"
+