diff --git src/lsm_daemon.c src/lsm_daemon.c

index 6bc7a70..670fb17 100644

--- src/lsm_daemon.c

+++ src/lsm_daemon.c

@@ -41,6 +41,7 @@

 #include <sys/time.h>

 #include <libgen.h>

 #include <assert.h>

+#include <grp.h>

 #define BASE_DIR  "/var/run/lsm"

 #define SOCKET_DIR BASE_DIR"/ipc"

@@ -155,6 +156,11 @@ void drop_privileges(void)

                     loud("Unexpected error on setgid(errno %d)\n", err);

                 }

+                if( -1 == setgroups(1, &pw->pw_gid) ) {

+                    err = errno;

+                    loud("Unexpected error on setgroups(errno %d)\n", err);

+                }

+

                 if( -1 == setuid(pw->pw_uid) ) {

                     err = errno;

                     loud("Unexpected error on setuid(errno %d)\n", err);