diff --git a/dlls/oleaut32/tests/varformat.c b/dlls/oleaut32/tests/varformat.c
index 8370d1d1841..216acc66d12 100644
--- a/dlls/oleaut32/tests/varformat.c
+++ b/dlls/oleaut32/tests/varformat.c
@@ -26,7 +26,7 @@
 
 #include "windef.h"
 #include "winbase.h"
-#include "winsock.h"
+#include "winsock2.h"
 #include "wine/test.h"
 #include "winuser.h"
 #include "wingdi.h"