Index: havp/helper.cpp
--- havp/helper.cpp.orig
+++ havp/helper.cpp
@@ -341,6 +341,16 @@ bool ChangeUserAndGroup( string usr, string grp )
         return false;
     }
 
+    /*
+     * Set the GID before initgroups(), since on some platforms
+     * setgid() is known to zap the group list.
+     */
+    if ( setgid( my_group->gr_gid ) < 0 )
+    {
+        cout << "Could not change group to: " << grp << endl;
+        return false;
+    }
+
 #ifdef HAVE_INITGROUPS
     if ( initgroups( usr.c_str(), user->pw_gid ) )
     {
@@ -356,12 +366,6 @@ bool ChangeUserAndGroup( string usr, string grp )
     }
 #endif
 #endif
-
-    if ( setgid( my_group->gr_gid ) < 0 )
-    {
-        cout << "Could not change group to: " << grp << endl;
-        return false;
-    }
 
     if ( setuid( user->pw_uid ) < 0 )
     {