diff --git a/date.h b/date.h
index 4d55914..b5ae7e6 100644
--- a/date.h
+++ b/date.h
@@ -4490,7 +4490,7 @@ detail::parse_sys_manip<Duration, CharT, Traits>
 parse(const std::basic_string<CharT, Traits>& format, sys_time<Duration>& tp,
       std::chrono::minutes& offset)
 {
-    return {format, tp, &offset};
+    return {format, tp, nullptr, &offset};
 }
 
 template <class CharT, class Traits, class Duration>
@@ -4589,7 +4589,7 @@ detail::parse_local_manip<Duration, CharT, Traits>
 parse(const std::basic_string<CharT, Traits>& format, local_time<Duration>& tp,
       std::chrono::minutes& offset)
 {
-    return {format, tp, &offset};
+    return {format, tp, nullptr, &offset};
 }
 
 template <class CharT, class Traits, class Duration>