Fix ISO compliance

diff --git a/libs/gtkmm2ext/gtk_ui.cc b/libs/gtkmm2ext/gtk_ui.cc
index d1e834d892d594474d2445384f9fe91e750eef1b..bbef7a08251319eb0692470d803876591a561d75 100644 (file)
--- a/libs/gtkmm2ext/gtk_ui.cc
+++ b/libs/gtkmm2ext/gtk_ui.cc
@@ -648,7 +648,7 @@ UI::display_message (const char *prefix, gint /*prefix_len*/, RefPtr<TextBuffer:
        time_t n = time (NULL);
        struct tm local_time;
        localtime_r (&n, &local_time);
-       strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S ", &local_time);
+       strftime (timebuf, sizeof(timebuf), "%FT%H:%M:%S ", &local_time);
 
        buffer->insert_with_tag(buffer->end(), timebuf, ptag);
        buffer->insert_with_tag(buffer->end(), prefix, ptag);