diff --git a/sonoff/sonoff_post.h b/sonoff/sonoff_post.h
index 186d0a349..b6fea83a2 100755
--- a/sonoff/sonoff_post.h
+++ b/sonoff/sonoff_post.h
@@ -229,6 +229,9 @@ void KNX_CB_Action(message_t const &msg, void *arg);
 
 #ifdef USE_BASIC
 
+#undef APP_SLEEP
+#define APP_SLEEP 1                          // Default to sleep = 1 for USE_BASIC
+
 //#undef USE_ENERGY_SENSOR                      // Disable energy sensors
 #undef USE_ARDUINO_OTA                        // Disable support for Arduino OTA
 #undef USE_WPS                                // Disable support for WPS as initial wifi configuration tool