diff --git a/sapfor/experts/Sapfor_2017/_src/ProjectManipulation/StdCapture.h b/sapfor/experts/Sapfor_2017/_src/ProjectManipulation/StdCapture.h
index 8a3b8c9..4867c7a 100644
--- a/sapfor/experts/Sapfor_2017/_src/ProjectManipulation/StdCapture.h
+++ b/sapfor/experts/Sapfor_2017/_src/ProjectManipulation/StdCapture.h
@@ -2,6 +2,7 @@
 
 #include <string>
 #include <mutex>
+#include <thread>
 #include <fcntl.h>
 
 #ifdef _WIN32