diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
index aa0c1f4c..eb103c17 100644
--- a/wled00/bus_manager.cpp
+++ b/wled00/bus_manager.cpp
@@ -491,7 +491,7 @@ BusNetwork::BusNetwork(BusConfig &bc, const ColorOrderMap &com) : Bus(bc.type, b
   USER_PRINTF(" %u.%u.%u.%u]\n", bc.pins[0],bc.pins[1],bc.pins[2],bc.pins[3]);
 }
 
-void IRAM_ATTR BusNetwork::setPixelColor(uint16_t pix, uint32_t c) {
+void IRAM_ATTR_YN BusNetwork::setPixelColor(uint16_t pix, uint32_t c) {
     if (!_valid || pix >= _len) return;
     if (_rgbw) c = autoWhiteCalc(c);
     if (_cct >= 1900) c = colorBalanceFromKelvin(_cct, c); // color correction from CCT
@@ -527,7 +527,7 @@ void IRAM_ATTR BusNetwork::setPixelColor(uint16_t pix, uint32_t c) {
     }
 }
 
-uint32_t IRAM_ATTR BusNetwork::getPixelColor(uint16_t pix) const {
+uint32_t IRAM_ATTR_YN BusNetwork::getPixelColor(uint16_t pix) const {
     if (!_valid || pix >= _len) return 0;
     uint16_t offset = pix * _UDPchannels;
     uint8_t co = _colorOrderMap.getPixelColorOrder(pix + _start, _colorOrder);
diff --git a/wled00/udp.cpp b/wled00/udp.cpp
index f6749a65..75d788a5 100644
--- a/wled00/udp.cpp
+++ b/wled00/udp.cpp
@@ -768,7 +768,7 @@ extern "C" {
 }
 #endif
 
-uint8_t IRAM_ATTR realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, uint8_t *buffer, uint8_t bri, bool isRGBW, uint8_t outputs, uint16_t leds_per_output, uint8_t fps_limit)  {
+uint8_t IRAM_ATTR_YN realtimeBroadcast(uint8_t type, IPAddress client, uint16_t length, uint8_t *buffer, uint8_t bri, bool isRGBW, uint8_t outputs, uint16_t leds_per_output, uint8_t fps_limit)  {
 
   if (!(apActive || interfacesInited) || !client[0] || !length) return 1;  // network not initialised or dummy/unset IP address  031522 ajn added check for ap