diff --git a/zephcore/boards/nrf52840/rak4631/board.conf b/zephcore/boards/nrf52840/rak4631/board.conf
index 2c65373..3bb4ced 100644
--- a/zephcore/boards/nrf52840/rak4631/board.conf
+++ b/zephcore/boards/nrf52840/rak4631/board.conf
@@ -26,3 +26,6 @@ CONFIG_ZEPHCORE_SD_FWID=0x00B6
 # Display: compile in UI display stack; panel is optional at runtime (probe/init).
 CONFIG_ZEPHCORE_UI_DISPLAY=y
 
+# Long-press emits KEY_ENTER (1000ms hold), so two confirms + release gap
+# do not fit in the default 500ms window. Like T-Echo / ThinkNode M1.
+CONFIG_ZEPHCORE_UI_CONFIRM_WINDOW_MS=3000