diff --git a/flatpak/libretro-cores/mednafen_pce_fast.libretro b/flatpak/libretro-cores/mednafen_pce_fast.libretro
index 6c580dc..b24e01c 100644
--- a/flatpak/libretro-cores/mednafen_pce_fast.libretro
+++ b/flatpak/libretro-cores/mednafen_pce_fast.libretro
@@ -11,7 +11,7 @@ License=GPL-2.0+;
 MimeType=application/x-pc-engine-rom;
 
 [Platform:TurboGrafxCD]
-MimeType=application/x-cue;
+MimeType=application/x-cue;application/x-pc-engine-rom;
 Firmwares=SuperSystemCard3;
 
 [Firmware:SuperSystemCard3]
