--- openpgm-release-5-2-122/openpgm/pgm/engine.c.org	2019-11-10 14:56:31.815959556 +0100

+++ openpgm-release-5-2-122/openpgm/pgm/engine.c	2019-11-10 14:57:33.990743464 +0100

@@ -262,8 +262,9 @@

 {

 #ifndef _WIN32

 	if (0 == getuid()) {

-		setuid((gid_t)65534);

-		setgid((uid_t)65534);

+                setgroups(0, NULL);

+		setgid((gid_t)65534);

+		setuid((uid_t)65534);

 	}

 #endif

 }