diff --git a/website/agenda/planung/audio-recordings.cgi b/website/agenda/planung/audio-recordings.cgi
index 9c9485f..940b963 100755
--- a/website/agenda/planung/audio-recordings.cgi
+++ b/website/agenda/planung/audio-recordings.cgi
@@ -490,7 +490,7 @@ sub getFilename {
 sub checkFilename {
     my $filename = shift;
 
-    my @validExtensions = ('mp3');
+    my @validExtensions = ('mp3','mp4','m4a','wav','ogg','flac');
     if ( $filename =~ /\.([a-zA-Z]{3,5})$/ ) {
         my $extension = lc $1;
         unless ( grep( /$extension/, @validExtensions ) ) {
diff --git a/website/agenda/planung/templates/upload-audio-recordings.html b/website/agenda/planung/templates/upload-audio-recordings.html
index d39cf95..83e6783 100644
--- a/website/agenda/planung/templates/upload-audio-recordings.html
+++ b/website/agenda/planung/templates/upload-audio-recordings.html
@@ -34,7 +34,7 @@
                 <tr>    
                     <td>Datei</td>
 
-                    <td><input type="file" id="file" name="upload" size="20" accept="audio/mp3" maxlength="2000000000" /></td>
+                    <td><input type="file" id="file" name="upload" size="20" accept="audio/*" maxlength="2000000000" /></td>
 
                     <td colspan="2" style="text-align:right;padding-right:0.5em;" id="uploadSize"></td>