diff --git a/src/libCom/osi/os/Linux/osdThread.h b/src/libCom/osi/os/Linux/osdThread.h
index 957253ef3..729d0aacd 100644
--- a/src/libCom/osi/os/Linux/osdThread.h
+++ b/src/libCom/osi/os/Linux/osdThread.h
@@ -10,6 +10,7 @@
 #define INC_osdThread_H
 
 #include <pthread.h>
+#include <sys/types.h>
 
 #include "shareLib.h"
 #include "ellLib.h"