diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 8532b42f..c7cc16b7 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -1594,14 +1594,7 @@ class Group(Mobject):
         Mobject.__init__(self, **kwargs)
         self.add(*mobjects)
     def __add__(self, other : 'Mobject' or 'Group'):
-        assert(isinstance(other, Mobject))
-        if other in self:
-            return Group(*self, other.copy())
-        if isinstance(other, (Group, VGroup)):
-            if all([isinstance(i, VMobject) for i in Group(*self, *other)]):
-                return VGroup(*self, *other)
-            return Group(*self, *other)
-        return Group(*self, other)
+        return self.add(other)
 
 
 class Point(Mobject):