diff --git a/inc/DeviceSource.h b/inc/DeviceSource.h
index 7d4aa18..0e2f996 100755
--- a/inc/DeviceSource.h
+++ b/inc/DeviceSource.h
@@ -18,6 +18,8 @@
 #include <iostream>
 #include <iomanip>
 
+#include <pthread.h>
+
 // live555
 #include <liveMedia.hh>
 
diff --git a/inc/MemoryBufferSink.h b/inc/MemoryBufferSink.h
index 97e1db1..fc6de20 100644
--- a/inc/MemoryBufferSink.h
+++ b/inc/MemoryBufferSink.h
@@ -12,6 +12,7 @@
 #pragma once
 
 #include <map>
+#include <string>
 
 #include "MediaSink.hh"