diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index b84e8c1e0..0492db4d6 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -92,7 +92,7 @@ typedef int rk_socket_t;
 #define rk_INVALID_SOCKET (-1)
 
 #define rk_SOCK_INIT() 0
-#define rk_SOCK_EXIT() 0
+#define rk_SOCK_EXIT() do { } while(0)
 
 #endif