diff --git a/AUTHORS.rst b/AUTHORS.rst
index 9072429..c713b93 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -95,3 +95,5 @@ Suggestions and bug reporting:
 - Коптев Роман Викторович (romikforest)
 - lei wang (191801737)
 - d00m514y3r
+- Sébastien Weber (seb5g)
+- Ward Loos (wrdls)
diff --git a/CHANGES.rst b/CHANGES.rst
index 9546d63..f74e97d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 7.3.2
+-------------
+
+* Fixing #288 default get value error when using box_dots (thanks to Sébastien Weber)
+
 Version 7.3.1
 -------------
 
diff --git a/box/__init__.py b/box/__init__.py
index 5fe3311..7cd918f 100644
--- a/box/__init__.py
+++ b/box/__init__.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 __author__ = "Chris Griffith"
-__version__ = "7.3.1"
+__version__ = "7.3.2"
 
 from box.box import Box
 from box.box_list import BoxList
diff --git a/box/box.py b/box/box.py
index 937ba0e..8be6738 100644
--- a/box/box.py
+++ b/box/box.py
@@ -414,6 +414,8 @@ def __contains__(self, item):
         except BoxError:
             return False
         else:
+            if not super().__contains__(first_item):
+                return False
             it = self[first_item]
             return isinstance(it, Iterable) and children in it
 
@@ -657,9 +659,7 @@ def __setitem__(self, key, value):
                     return self[first_item].__setitem__(children, value)
             elif self._box_config["default_box"]:
                 if children[0] == "[":
-                    super().__setitem__(
-                        first_item, box.BoxList(**self.__box_config(extra_namespace=first_item))
-                    )
+                    super().__setitem__(first_item, box.BoxList(**self.__box_config(extra_namespace=first_item)))
                 else:
                     super().__setitem__(
                         first_item, self._box_config["box_class"](**self.__box_config(extra_namespace=first_item))
diff --git a/test/test_box.py b/test/test_box.py
index a40a669..1232f3c 100644
--- a/test/test_box.py
+++ b/test/test_box.py
@@ -755,6 +755,7 @@ def test_get(self):
         assert isinstance(bx.get("a", [1, 2]), BoxList)
         bx_dot = Box(a=Box(b=Box(c="me!")), box_dots=True)
         assert bx_dot.get("a.b.c") == "me!"
+        assert bx_dot.get("def.not.in.the.box", 4) == 4
 
     def test_contains(self):
         bx_dot = Box(a=Box(b=Box(c=Box())), box_dots=True)