diff --git a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
index dd47d8166..83c51c32d 100644
--- a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
+++ b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp
@@ -318,9 +318,8 @@ int32_t analogAttach(uint32_t pin, bool output_invert) {    // returns ledc chan
   return chan;
 }
 
-uint32_t ledcReadFreq2(uint8_t chan) {
-// _Z13ledcReadFreqh
-// extern "C" uint32_t _Z13ledcReadFreqh(uint8_t chan) {
+// uint32_t ledcReadFreq2(uint8_t chan) {
+extern "C" uint32_t __wrap_ledcReadFreq(uint8_t chan) {
   if (chan > MAX_PWMS) {
     return 0;     // wrong channel
   }
diff --git a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.h b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.h
index b43dd354d..3bfb412a5 100644
--- a/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.h
+++ b/lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.h
@@ -43,7 +43,7 @@
  * So it all happens like if there were only 4 timers and a single group of PWM channels.
 \*******************************************************************************************/
 
-uint32_t ledcReadFreq2(uint8_t chan);
+extern "C" uint32_t ledcReadFreq(uint8_t chan);
 uint8_t ledcReadResolution(uint8_t chan);
 //
 // analogAttach - attach a GPIO to a hardware PWM
diff --git a/platformio_tasmota32.ini b/platformio_tasmota32.ini
index b735fee57..81bdf580b 100644
--- a/platformio_tasmota32.ini
+++ b/platformio_tasmota32.ini
@@ -33,6 +33,7 @@ build_flags                 = ${esp_defaults.build_flags}
                               ; wrappers for the crash-recorder
                               -Wl,--wrap=panicHandler -Wl,--wrap=xt_unhandled_exception
                               -Wl,--wrap=_Z11analogWritehi  ; `analogWrite(unsigned char, int)` use the Tasmota version of analogWrite for deeper integration and phase control
+                              -Wl,--wrap=ledcReadFreq  ; `uint32_t ledcReadFreq(uint8_t chan)`
 extra_scripts               = pre:pio-tools/add_c_flags.py
                               post:pio-tools/post_esp32.py
                               ${esp_defaults.extra_scripts}
diff --git a/tasmota/tasmota_support/support_pwm.ino b/tasmota/tasmota_support/support_pwm.ino
index f729b628a..f34a82cfc 100644
--- a/tasmota/tasmota_support/support_pwm.ino
+++ b/tasmota/tasmota_support/support_pwm.ino
@@ -85,7 +85,7 @@ void PwmApplyGPIO(bool force_update_all) {
       int32_t chan = analogGetChannel2(pin);
       uint32_t res = ledcReadResolution(chan);
       uint32_t range = (1 << res) - 1;
-      uint32_t freq = ledcReadFreq2(chan);
+      uint32_t freq = ledcReadFreq(chan);
 
       // AddLog(LOG_LEVEL_INFO, "PWM: res0=%i freq0=%i pin=%i chan=%i res=%i timer=%i range=%i freq=%i", timer0_resolution, timer0_freq, pin, chan, res, analogGetTimerForChannel(chan), range, freq);