diff --git a/src/mkvmerge.cpp b/src/mkvmerge.cpp
index f479266a1..a646aeb3d 100644
--- a/src/mkvmerge.cpp
+++ b/src/mkvmerge.cpp
@@ -972,7 +972,7 @@ static void render_headers(mm_io_c *rout) {
       *((EbmlUnicodeString *)&GetChild<KaxMuxingApp>(*kax_infos)) =
         cstr_to_UTFstring(version.c_str());
       *((EbmlUnicodeString *)&GetChild<KaxWritingApp>(*kax_infos)) =
-        cstr_to_UTFstring(VERSIONINFO);
+        cstr_to_UTFstring(VERSIONINFO " built on " __DATE__ " " __TIME__);
       GetChild<KaxDateUTC>(*kax_infos).SetEpochDate(time(NULL));
     } else {
       *((EbmlUnicodeString *)&GetChild<KaxMuxingApp>(*kax_infos)) =