diff --git a/lib/lib_div/esp-knx-ip-0.5.2/src/esp-knx-ip-send.cpp b/lib/lib_div/esp-knx-ip-0.5.2/src/esp-knx-ip-send.cpp
index 270c89b64..92492167a 100644
--- a/lib/lib_div/esp-knx-ip-0.5.2/src/esp-knx-ip-send.cpp
+++ b/lib/lib_div/esp-knx-ip-0.5.2/src/esp-knx-ip-send.cpp
@@ -80,6 +80,7 @@ void ESPKNXIP::send(address_t const &receiver, knx_command_type_t ct, uint8_t da
 	udp.beginPacketMulticast(MULTICAST_IP, MULTICAST_PORT, WiFi.localIP());
 	udp.write(buf, len);
  	udp.endPacket();
+	delay(1);
 
 }