diff --git a/src/zm_analysis_thread.cpp b/src/zm_analysis_thread.cpp
index 7aa037074..c207f7fd5 100644
--- a/src/zm_analysis_thread.cpp
+++ b/src/zm_analysis_thread.cpp
@@ -15,6 +15,11 @@ AnalysisThread::~AnalysisThread() {
     thread_.join();
 }
 
+void AnalysisThread::Start() {
+  terminate_ = false;
+  thread_ = std::thread(&AnalysisThread::Run, this);
+}
+
 void AnalysisThread::Run() {
   Debug(2, "AnalysisThread::Run() for %d", monitor_->Id());
 
diff --git a/src/zm_analysis_thread.h b/src/zm_analysis_thread.h
index e5b95601f..a402207c1 100644
--- a/src/zm_analysis_thread.h
+++ b/src/zm_analysis_thread.h
@@ -14,6 +14,7 @@ class AnalysisThread {
   AnalysisThread(AnalysisThread &rhs) = delete;
   AnalysisThread(AnalysisThread &&rhs) = delete;
 
+  void Start();
   void Stop() { terminate_ = true; }
 
  private:
diff --git a/src/zm_decoder_thread.cpp b/src/zm_decoder_thread.cpp
index ae5c8edc1..2bf1f3c2b 100644
--- a/src/zm_decoder_thread.cpp
+++ b/src/zm_decoder_thread.cpp
@@ -14,6 +14,10 @@ DecoderThread::~DecoderThread() {
     thread_.join();
 }
 
+void DecoderThread::Start() {
+  terminate_ = false;
+  thread_ = std::thread(&DecoderThread::Run, this);
+}
 void DecoderThread::Run() {
   Debug(2, "DecoderThread::Run() for %d", monitor_->Id());
 
diff --git a/src/zm_decoder_thread.h b/src/zm_decoder_thread.h
index 24e155c72..62b2f0d23 100644
--- a/src/zm_decoder_thread.h
+++ b/src/zm_decoder_thread.h
@@ -14,6 +14,7 @@ class DecoderThread {
   DecoderThread(DecoderThread &rhs) = delete;
   DecoderThread(DecoderThread &&rhs) = delete;
 
+  void Start();
   void Stop() { terminate_ = true; }
 
  private:
diff --git a/src/zm_monitor.cpp b/src/zm_monitor.cpp
index 19593c145..ff221055c 100644
--- a/src/zm_monitor.cpp
+++ b/src/zm_monitor.cpp
@@ -3182,13 +3182,19 @@ int Monitor::PrimeCapture() {
 
     if (decoding_enabled) {
       if (!decoder_it) decoder_it = packetqueue.get_video_it(false);
-      if (!decoder) decoder = ZM::make_unique<DecoderThread>(this);
+      if (!decoder) {
+        decoder = ZM::make_unique<DecoderThread>(this);
+      } else {
+        decoder->Start();
+      }
     }
 
     if (!analysis_it) analysis_it = packetqueue.get_video_it(false);
     if (!analysis_thread) {
       Debug(1, "Starting an analysis thread for monitor (%d)", id);
       analysis_thread = ZM::make_unique<AnalysisThread>(this);
+    } else {
+      analysis_thread->Start();
     }
 
   } else {