diff --git a/include/date/date.h b/include/date/date.h
index 3be91af..6f1e2f4 100644
--- a/include/date/date.h
+++ b/include/date/date.h
@@ -6775,7 +6775,7 @@ from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt,
                     else
                         read(is, rs{H, 1, 2}, CharT{':'}, ru{M, 2, 2});
                     if (!is.fail())
-                        temp_offset = hours{H} + minutes{M};
+                        temp_offset = hours{ H } + minutes{ H < 0 ? -M : M };
                     command = nullptr;
                     width = -1;
                     modified = CharT{};