diff --git a/keyboards/boardsource/microdox/rules.mk b/keyboards/boardsource/microdox/rules.mk
index b6afb77c783..0cb636df641 100644
--- a/keyboards/boardsource/microdox/rules.mk
+++ b/keyboards/boardsource/microdox/rules.mk
@@ -21,3 +21,5 @@ RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
 BLUETOOTH_ENABLE = no       # Enable Bluetooth
 AUDIO_ENABLE = no           # Audio output
 SPLIT_KEYBOARD = yes
+
+LAYOUTS = split_3x5_3