diff --git a/config/charybdis.keymap b/config/charybdis.keymap
index 35133b42..f81c6d55 100644
--- a/config/charybdis.keymap
+++ b/config/charybdis.keymap
@@ -22,6 +22,10 @@
 //     chosen { zmk,matrix_transform = &default_transform; };
 // };
 
+/ {
+    chosen { zmk,physical-layout = &charybdis_physical_layout; };
+};
+
 / {
     /* input config for mouse move mode */
     trackball_listener {