diff --git a/source-code/data/plugins/genericusbinput.ini b/source-code/data/plugins/genericusbinput.ini
index 2062a67..e58a7b4 100644
--- a/source-code/data/plugins/genericusbinput.ini
+++ b/source-code/data/plugins/genericusbinput.ini
@@ -4,3 +4,7 @@
 
 VID = 046D
 PID = C216
+
+[customkeymapping]
+
+GU_BUTTON8 = GU_BUTTON1 + GU_BUTTON2 + GU_BUTTON3 + GU_BUTTON4