diff --git a/MiSTer.ini b/MiSTer.ini
index 58f6196..2c68286 100644
--- a/MiSTer.ini
+++ b/MiSTer.ini
@@ -109,6 +109,11 @@ controller_info=6
 jamma_vid=0x04D8
 jamma_pid=0xF3AD
 
+; Disable merging input devices. Use if only player 1 works.
+; Leave no_merge_pid empty to apply this to all devices with the same VID.
+;no_merge_vid=0x045E
+;no_merge_pid=0x028E
+
 ; Speeds in sniper/non-sniper modes of mouse emulation by joystick 
 ; 0 - (default) - faster move in non-sniper mode, slower move in sniper mode.
 ; 1 - movement speeds are swapped.