diff --git a/mozilla/nsprpub/pr/src/md/unix/uxrng.c b/mozilla/nsprpub/pr/src/md/unix/uxrng.c
index fd2a3f1d475..a5dda25dcd2 100644
--- a/mozilla/nsprpub/pr/src/md/unix/uxrng.c
+++ b/mozilla/nsprpub/pr/src/md/unix/uxrng.c
@@ -102,7 +102,7 @@ GetHighResClock(void *buf, size_t maxbytes)
     return 0;
 }
 
-#elif (defined(LINUX) || defined(__FreeBSD__) || defined(NETBSD))
+#elif (defined(LINUX) || defined(__FreeBSD__) || defined(NETBSD) || defined(OPENBSD))
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>