diff --git a/src/zm_rtsp_server_fifo_source.cpp b/src/zm_rtsp_server_fifo_source.cpp
index 677eb534a..82d60b72a 100644
--- a/src/zm_rtsp_server_fifo_source.cpp
+++ b/src/zm_rtsp_server_fifo_source.cpp
@@ -25,6 +25,7 @@ ZoneMinderFifoSource::ZoneMinderFifoSource(
     xop::MediaChannelId channelId,
     std::string fifo
     ) :
+  stop_(false),
   m_rtspServer(rtspServer),
   m_sessionId(sessionId),
   m_channelId(channelId),
@@ -47,6 +48,7 @@ ZoneMinderFifoSource::~ZoneMinderFifoSource() {
 
 // thread mainloop
 void ZoneMinderFifoSource::ReadRun() {
+  if (!stop_) Warning("bad value for stop_ in ReadRun");
 	while (!stop_) {
 		if (getNextFrame() < 0) {
       Debug(1, "Sleeping");
@@ -55,6 +57,7 @@ void ZoneMinderFifoSource::ReadRun() {
 	}
 }
 void ZoneMinderFifoSource::WriteRun() {
+  if (!stop_) Warning("bad value for stop_ in WriteRun");
 	while (!stop_) {
     std::unique_lock<std::mutex> lck(mutex_);
     if (m_nalQueue.empty()) {