diff --git a/emulators/BasiliskII/patches/patch-src_Unix_sys_unix_cpp b/emulators/BasiliskII/patches/patch-src_Unix_sys_unix_cpp
new file mode 100644
index 00000000000..9313857bd3b
--- /dev/null
+++ b/emulators/BasiliskII/patches/patch-src_Unix_sys_unix_cpp
@@ -0,0 +1,12 @@
+$OpenBSD: patch-src_Unix_sys_unix_cpp,v 1.1 2002/05/07 03:05:47 form Exp $
+--- src/Unix/sys_unix.cpp.orig	Tue May  7 01:01:24 2002
++++ src/Unix/sys_unix.cpp	Tue May  7 01:01:47 2002
+@@ -122,7 +122,7 @@ void SysAddFloppyPrefs(void)
+ #if defined(__linux__)
+ 	PrefsAddString("floppy", "/dev/fd0H1440");
+ 	PrefsAddString("floppy", "/dev/fd1H1440");
+-#elif defined(__NetBSD__)
++#elif defined(__NetBSD__) || defined(__OpenBSD__)
+ 	PrefsAddString("floppy", "/dev/fd0a");
+ 	PrefsAddString("floppy", "/dev/fd1a");
+ #else