diff --git a/client/hostinfo_unix.C b/client/hostinfo_unix.C
index ac0b81db81..a35a8797b3 100644
--- a/client/hostinfo_unix.C
+++ b/client/hostinfo_unix.C
@@ -123,6 +123,8 @@ int get_timezone() {
     return -1*(_timezone);
 #elif defined(unix)
     return -1*timezone;
+#elif defined(HAVE_TZNAME)
+    return -1*timezone;
 #else
 #error timezone
 #endif