Index: libclamav/clamav.h
--- libclamav/clamav.h.orig
+++ libclamav/clamav.h
@@ -32,7 +32,7 @@
 #include <openssl/err.h>
 
 /* Certain OSs already use 64bit variables in their stat struct */
-#if (!defined(__FreeBSD__) && !defined(__APPLE__))
+#if (!defined(__FreeBSD__) && !defined(__APPLE__)) && !defined(__OpenBSD__)
 #define STAT64_OK 1
 #else
 #define STAT64_OK 0