Index: src/OSD/OSD_Path.cxx
--- src/OSD/OSD_Path.cxx.orig
+++ src/OSD/OSD_Path.cxx
@@ -18,7 +18,7 @@
 
 static OSD_SysType whereAmI()
 {
-#if defined(__digital__) || defined(__FreeBSD__) || defined(SUNOS) || defined(__APPLE__)           \
+#if defined(__digital__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(SUNOS) || defined(__APPLE__)           \
   || defined(__QNX__) || defined(__FreeBSD_kernel__)
   return OSD_UnixBSD;
 #elif defined(sgi) || defined(IRIX) || defined(__sun) || defined(SOLARIS) || defined(__sco__)      \
