diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 12024f52dfb..f1ea825976c 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3480,6 +3480,7 @@ int WINAPI WS_getaddrinfo(LPCSTR nodename, LPCSTR servname, const struct WS_addr
         freeaddrinfo(unixaires);
     } else {
         result = convert_eai_u2w(result);
+        *res = NULL;
     }
     return result;