diff --git a/app/boards/shields/jorne/jorne_left.conf b/app/boards/shields/jorne/jorne_left.conf
index 8e5ae25ef1b5..8f78ee103474 100644
--- a/app/boards/shields/jorne/jorne_left.conf
+++ b/app/boards/shields/jorne/jorne_left.conf
@@ -2,3 +2,4 @@ CONFIG_ZMK_RGB_UNDERGLOW=y
 CONFIG_WS2812_STRIP=y
 CONFIG_ZMK_DISPLAY=y
 CONFIG_ZMK_RGB_UNDERGLOW_ON_START=y
+CONFIG_ZMK_RGB_UNDERGLOW_EXT_POWER=y
diff --git a/app/boards/shields/jorne/jorne_right.conf b/app/boards/shields/jorne/jorne_right.conf
index 8e5ae25ef1b5..8f78ee103474 100644
--- a/app/boards/shields/jorne/jorne_right.conf
+++ b/app/boards/shields/jorne/jorne_right.conf
@@ -2,3 +2,4 @@ CONFIG_ZMK_RGB_UNDERGLOW=y
 CONFIG_WS2812_STRIP=y
 CONFIG_ZMK_DISPLAY=y
 CONFIG_ZMK_RGB_UNDERGLOW_ON_START=y
+CONFIG_ZMK_RGB_UNDERGLOW_EXT_POWER=y