diff --git a/create_retroarch_thumbnails.sh b/create_retroarch_thumbnails.sh
index cd0bbdb..9026d0d 100755
--- a/create_retroarch_thumbnails.sh
+++ b/create_retroarch_thumbnails.sh
@@ -12,7 +12,7 @@ readonly USAGE="
 USAGE:
 $(basename "$0") [SYSTEM] [ROM_FOLDER] [THUMBNAILS_FOLDER]"
 
-readonly SYSTEMS="atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd sg-1000 snes virtualboy wonderswan wonderswancolor"
+readonly SYSTEMS="arcade atari2600 atari7800 atarilynx coleco dreamcast fds gamegear gb gba gbc mastersystem megadrive msx n64 nds nes ngp ngpc pcengine psp psx saturn sega32x segacd sg-1000 snes virtualboy wonderswan wonderswancolor"
 
 # check if there are all the parameters
 if [ "$#" -ne 3 ]; then