diff --git a/src/include/os/WIN32/osiSock.h b/src/include/os/WIN32/osiSock.h
index d1a9d4af5..d4bc72b3b 100644
--- a/src/include/os/WIN32/osiSock.h
+++ b/src/include/os/WIN32/osiSock.h
@@ -6,6 +6,8 @@ extern "C" {
 #endif
 
 #pragma warning (disable:4237)
+#include <time.h>
+#include <errno.h>
 #include <winsock.h>
  
 void ipAddrToA (const struct sockaddr_in *pInetAddr, 
diff --git a/src/libCom/osi/os/WIN32/osdSock.h b/src/libCom/osi/os/WIN32/osdSock.h
index d1a9d4af5..d4bc72b3b 100644
--- a/src/libCom/osi/os/WIN32/osdSock.h
+++ b/src/libCom/osi/os/WIN32/osdSock.h
@@ -6,6 +6,8 @@ extern "C" {
 #endif
 
 #pragma warning (disable:4237)
+#include <time.h>
+#include <errno.h>
 #include <winsock.h>
  
 void ipAddrToA (const struct sockaddr_in *pInetAddr,