diff --git a/devel/bennugd-core/files/patch-core_bgdc_src_main.c b/devel/bennugd-core/files/patch-core_bgdc_src_main.c
new file mode 100644
index 000000000000..a8f8d1ed70b3
--- /dev/null
+++ b/devel/bennugd-core/files/patch-core_bgdc_src_main.c
@@ -0,0 +1,10 @@
+--- core/bgdc/src/main.c.orig	2013-01-06 01:50:56 UTC
++++ core/bgdc/src/main.c
+@@ -29,6 +29,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <unistd.h>
+ 
+ #include <time.h>
+