diff --git a/pkg/config/config.yaml b/pkg/config/config.yaml
index 60fc6f539..d95052471 100644
--- a/pkg/config/config.yaml
+++ b/pkg/config/config.yaml
@@ -224,6 +224,7 @@ emulator:
         # https://docs.libretro.com/library/fbneo/
         mame:
           lib: fbneo_libretro
+          coreAspectRatio: true
           roms: [ "zip" ]
         nes:
           lib: nestopia_libretro