diff --git a/tests/server/socksd.c b/tests/server/socksd.c
index 83e8607468..58156e45b9 100644
--- a/tests/server/socksd.c
+++ b/tests/server/socksd.c
@@ -744,7 +744,7 @@ static bool incoming(curl_socket_t listenfd)
 
     if(rc < 0) {
       logmsg("select() failed with error: (%d) %s",
-             error, strerror(error));
+             error, sstrerror(error));
       return FALSE;
     }