Index: trunk/src/server.c
===================================================================
--- trunk/src/server.c (revision 262)
+++ trunk/src/server.c (revision 270)
@@ -564,7 +564,11 @@
 			setgroups(0, NULL);
 		}
-		if (srv->srvconf.username->used && srv->srvconf.groupname->used)
-			initgroups(srv->srvconf.username->ptr, grp->gr_gid);
-		if (srv->srvconf.username->used) setuid(pwd->pw_uid);
+		
+		if (srv->srvconf.username->used) {
+			if (srv->srvconf.groupname->used) {
+				initgroups(srv->srvconf.username->ptr, grp->gr_gid);
+			}
+			setuid(pwd->pw_uid);
+		}
 #endif
 	} else {
Index: trunk/src/spawn-fcgi.c
===================================================================
--- trunk/src/spawn-fcgi.c (revision 67)
+++ trunk/src/spawn-fcgi.c (revision 270)
@@ -333,7 +333,11 @@
 		if (groupname) {
 			setgid(grp->gr_gid);
-			setgroups(0, NULL);
-		}
-		if (username) setuid(pwd->pw_uid);
+		}
+		if (username) {
+			if (groupname) {
+				initgroups(username, grp->gr_gid);
+			}
+			setuid(pwd->pw_uid);
+		}
 	}