diff --git a/src/net/sock.h b/src/net/sock.h
index f11736d6..aa1442ce 100644
--- a/src/net/sock.h
+++ b/src/net/sock.h
@@ -31,7 +31,7 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #elif _WIN32
-#include <os.h>
+#include <compat.h>
 #endif
 
 #ifdef HAVE_SYS_UIO_H