Compiler directive issue

// I don't know why the following doesn't work inside setup()

#if LED_TYPE == WS2812B
  LEDS.addLeds<LED_TYPE, LED_DT, COLOR_ORDER >(leds, NUM_LEDS); // WS2812B definition
#else
  LEDS.addLeds<LED_TYPE, LED_DT, LED_CK, COLOR_ORDER >(leds, NUM_LEDS); // APA102 definition
#endif