diff --git a/platform/opendingux/data/default.gcw0.desktop b/platform/opendingux/data/default.gcw0.desktop
index bfdb4298..73094f03 100644
--- a/platform/opendingux/data/default.gcw0.desktop
+++ b/platform/opendingux/data/default.gcw0.desktop
@@ -6,4 +6,4 @@ Exec=PicoDrive %f
 Icon=megadrive
 Terminal=false
 Categories=emulators;
-MimeType=.md;.smd;.bin;.sms;.cue;.chd;.32x;.zip;.7z
+MimeType=.md;.smd;.bin;.sms;.gg;.cue;.chd;.32x;.zip;.7z
diff --git a/platform/opendingux/data/default.retrofw.desktop b/platform/opendingux/data/default.retrofw.desktop
index 97c977bc..2ea9e044 100644
--- a/platform/opendingux/data/default.retrofw.desktop
+++ b/platform/opendingux/data/default.retrofw.desktop
@@ -6,7 +6,7 @@ Icon=megadrive
 Categories=emulators;
 X-OD-Manual=
 X-OD-Selector=
-X-OD-Filter=.md,.smd,.bin,.sms,.cue,.chd,.32x,.zip,.7z
+X-OD-Filter=.md,.smd,.bin,.sms,.gg,.cue,.chd,.32x,.zip,.7z
 Terminal=true
 Type=Application
 StartupNotify=true