diff --git a/ampel-firmware/lorawan.cpp b/ampel-firmware/lorawan.cpp
index 57894c499bb466e8a64ef3978c01534b9bbbd9aa..75363a0337ce887c860d38fb7c5a940bed3e642f 100644
--- a/ampel-firmware/lorawan.cpp
+++ b/ampel-firmware/lorawan.cpp
@@ -74,7 +74,7 @@ namespace lorawan {
     case EV_JOINED:
       waiting_for_confirmation = false;
       connected = true;
-      LedEffects::onBoardLEDOff();
+      led_effects::onBoardLEDOff();
       Serial.println(F("EV_JOINED"));
       {
         u4_t netid = 0;
@@ -121,12 +121,12 @@ namespace lorawan {
       break;
     case EV_TXCANCELED:
       waiting_for_confirmation = false;
-      LedEffects::onBoardLEDOff();
+      led_effects::onBoardLEDOff();
       Serial.println(F("EV_TXCANCELED"));
       break;
     case EV_JOIN_TXCOMPLETE:
       waiting_for_confirmation = false;
-      LedEffects::onBoardLEDOff();
+      led_effects::onBoardLEDOff();
       Serial.println(F("EV_JOIN_TXCOMPLETE: no JoinAccept."));
       Serial.println(F("Other services may resume."));
       break;
@@ -136,7 +136,7 @@ namespace lorawan {
       break;
     }
     if (waiting_for_confirmation) {
-      LedEffects::onBoardLEDOn();
+      led_effects::onBoardLEDOn();
       Serial.println(F("LoRa - waiting for OTAA confirmation. Freezing every other service!"));
     }
   }