diff --git a/fb2k/in_vgmstream.cpp b/fb2k/in_vgmstream.cpp
index 4faef338..befbc311 100644
--- a/fb2k/in_vgmstream.cpp
+++ b/fb2k/in_vgmstream.cpp
@@ -608,6 +608,7 @@ DECLARE_MULTIPLE_FILE_TYPE("ASF Audio File (*.ASF)", asf);
 DECLARE_MULTIPLE_FILE_TYPE("AST Audio File (*.AST)", ast);
 DECLARE_MULTIPLE_FILE_TYPE("ASR Audio File (*.ASR)", asr);
 DECLARE_MULTIPLE_FILE_TYPE("ASS Audio File (*.ASS)", ass);
+DECLARE_MULTIPLE_FILE_TYPE("ATRAC3plus Audio File (*.AT3)", at3);
 DECLARE_MULTIPLE_FILE_TYPE("AUD Audio File (*.AUD)", aud);
 DECLARE_MULTIPLE_FILE_TYPE("AUS Audio File (*.AUS)", aus);