diff --git a/tools/credits.pl b/tools/credits.pl
index a6c35d745d9..acdbe037970 100755
--- a/tools/credits.pl
+++ b/tools/credits.pl
@@ -750,8 +750,8 @@ begin_credits("Credits");
 		  add_person("", "Quietust", "Sound support for Amiga SCUMM V2/V3 games, MM NES support");
 		  add_person("Andreas Röver", "", "Broken Sword 1/2 MPEG2 cutscene support");
 		  add_person("Edward Rudd", "urkle", "Fixes for playing MP3 versions of MI1/Loom audio");
-		  add_person("Daniel Schepler", "", "Final MI1 CD music support, initial Ogg Vorbis support");
-		  add_person("André Souza", "", "SDL-based OpenGL renderer");
+		  add_person("Daniel Schepler", "dschepler", "Final MI1 CD music support, initial Ogg Vorbis support");
+		  add_person("André Souza", "luke_br", "SDL-based OpenGL renderer");
 		  add_person("Robin Watts", "robinwatts", "ARM assembly routines for the Windows CE port");
 	  end_persons();
 	end_section();