diff --git a/news/74.feature b/news/74.feature
new file mode 100644
index 000000000..e7e8ea21a
--- /dev/null
+++ b/news/74.feature
@@ -0,0 +1 @@
+Allow assignment of a tuple value into a Config
diff --git a/omegaconf/config.py b/omegaconf/config.py
index ccf9771de..1dcb8ddea 100644
--- a/omegaconf/config.py
+++ b/omegaconf/config.py
@@ -478,7 +478,7 @@ def _prepare_value_to_add(self, key, value):
         if isinstance(value, Config):
             value = value.to_container()
 
-        if isinstance(value, dict) or isinstance(value, list):
+        if isinstance(value, (dict, list, tuple)):
             from omegaconf import OmegaConf
 
             value = OmegaConf.create(value, parent=self)
diff --git a/tests/test_basic_ops_list.py b/tests/test_basic_ops_list.py
index d2e5a863c..9060228b4 100644
--- a/tests/test_basic_ops_list.py
+++ b/tests/test_basic_ops_list.py
@@ -107,18 +107,19 @@ def test_list_len():
     assert len(c) == 2
 
 
-def test_assign_list_in_list():
-    c = OmegaConf.create([10, 11])
-    c[0] = ["a", "b"]
-    assert c == [["a", "b"], 11]
-    assert isinstance(c[0], ListConfig)
-
-
-def test_assign_dict_in_list():
-    c = OmegaConf.create([None])
-    c[0] = dict(foo="bar")
-    assert c[0] == dict(foo="bar")
-    assert isinstance(c[0], DictConfig)
+@pytest.mark.parametrize(
+    "parent, index, value, expected",
+    [
+        ([10, 11], 0, ["a", "b"], [["a", "b"], 11]),
+        ([None], 0, {"foo": "bar"}, [{"foo": "bar"}]),
+        ({}, "foo", ["a", "b"], {"foo": ["a", "b"]}),
+        ({}, "foo", ("a", "b"), {"foo": ["a", "b"]}),
+    ],
+)
+def test_assign(parent, index, value, expected):
+    c = OmegaConf.create(parent)
+    c[index] = value
+    assert c == expected
 
 
 def test_nested_list_assign_illegal_value():
@@ -127,13 +128,6 @@ def test_nested_list_assign_illegal_value():
         c.a[0] = IllegalType()
 
 
-def test_assign_list_in_dict():
-    c = OmegaConf.create(dict())
-    c.foo = ["a", "b"]
-    assert c == dict(foo=["a", "b"])
-    assert isinstance(c.foo, ListConfig)
-
-
 def test_list_append():
     c = OmegaConf.create([])
     c.append(1)