diff --git a/McuLib/src/McuLog.c b/McuLib/src/McuLog.c
index 797d14b..aaea394 100644
--- a/McuLib/src/McuLog.c
+++ b/McuLib/src/McuLog.c
@@ -332,14 +332,22 @@ static void LockUnlockCallback(void *data, bool lock) {
   BaseType_t xHigherPriorityTaskWoken = pdFALSE;
 
   if (lock) {
+#if McuLib_CONFIG_CPU_IS_ESP32
+    if (xPortInIsrContext()) {
+#else
     if (xPortIsInsideInterrupt()) {
+#endif
       xSemaphoreTakeFromISR(McuLog_ConfigData.McuLog_Mutex, &xHigherPriorityTaskWoken);
       portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
     } else {
       (void)xSemaphoreTakeRecursive(McuLog_ConfigData.McuLog_Mutex, portMAX_DELAY);
     }
   } else {
+#if McuLib_CONFIG_CPU_IS_ESP32
+    if (xPortInIsrContext()) {
+#else
     if (xPortIsInsideInterrupt()) {
+#endif
       xSemaphoreGiveFromISR(McuLog_ConfigData.McuLog_Mutex, &xHigherPriorityTaskWoken);
       portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
     } else {
@@ -480,4 +488,3 @@ void McuLog_Deinit(void) {
 }
 
 #endif /* McuLog_CONFIG_IS_ENABLED */
-