diff --git a/src_main/thread/pithread.cpp b/src_main/thread/pithread.cpp
index 9eaac31d..b3c16f7a 100755
--- a/src_main/thread/pithread.cpp
+++ b/src_main/thread/pithread.cpp
@@ -188,7 +188,7 @@ PIThread::~PIThread() {
 	piMonitor.threads--;
 	if (!running_ || PRIVATE->thread == 0) return;
 #ifndef WINDOWS
-#  ifdef ANDROID
+#  if defined(ANDROID) || defined(FREERTOS)
 	pthread_kill(PRIVATE->thread, SIGTERM);
 #  else
 	pthread_cancel(PRIVATE->thread);
@@ -289,7 +289,7 @@ void PIThread::terminate() {
 	tid_ = -1;
 	//piCout << "terminate" << PRIVATE->thread;
 #ifndef WINDOWS
-#  ifdef ANDROID
+#  if defined(ANDROID) || defined(FREERTOS)
 	pthread_kill(PRIVATE->thread, SIGTERM);
 #  else
 	//pthread_kill(PRIVATE->thread, SIGKILL);