diff --git a/src/libCom/test/osiTimeTest.cc b/src/libCom/test/osiTimeTest.cc
index 8974c91ea..e3c9d314f 100644
--- a/src/libCom/test/osiTimeTest.cc
+++ b/src/libCom/test/osiTimeTest.cc
@@ -2,7 +2,9 @@
 #include <stdio.h>
 #include <time.h>
 
+#ifdef _WIN32
 #include <winsock.h>
+#endif
 
 #include "tsDefs.h"
 #include "osiTime.h"
@@ -99,4 +101,4 @@ int main ()
     printf ("test complete\n");
     
 	return 0;
-}
\ No newline at end of file
+}