diff --git a/config/boards/shields/cradio_left/cradio_ardux_thumb_left.keymap b/config/boards/shields/cradio_left/cradio_ardux_thumb_left.keymap
index 870b2b4..0731f87 100644
--- a/config/boards/shields/cradio_left/cradio_ardux_thumb_left.keymap
+++ b/config/boards/shields/cradio_left/cradio_ardux_thumb_left.keymap
@@ -23,7 +23,7 @@
 #define KEY_O 5
 
 // Define Custom Thumb Keys
-#define CUSTOM_THUMB &kp LCTRL &sk LSHFT
+#define CUSTOM_THUMB &kp LSHFT &kp LSHFT
 
 // Define Offsets
 #define LEADING_NONES NONE(0,0,0)