diff --git a/src/polyfills/json/__init__.py b/src/polyfills/json/__init__.py
index e968234..6f4f23f 100644
--- a/src/polyfills/json/__init__.py
+++ b/src/polyfills/json/__init__.py
@@ -108,7 +108,7 @@ def dumps(
     
 
     #  ---> Handle JSON arrays
-    elif obj_type == type([]):
+    elif obj_type in [type([None,]), type((None,))]:
         obj_string_parts.append("[")
         for item in obj:
             if len(obj_string_parts) > 1:
diff --git a/src/polyfills/json/tests/dumps/test_dumps.py b/src/polyfills/json/tests/dumps/test_dumps.py
index 2155daa..bf43023 100644
--- a/src/polyfills/json/tests/dumps/test_dumps.py
+++ b/src/polyfills/json/tests/dumps/test_dumps.py
@@ -103,7 +103,14 @@ def test_empty(self):
     def test_simple(self):
         self.assertEqual(
             json.dumps(["", "test1", "", "test2", ""]),
-            '["", "test1", "", "test2", ""]'
+            '["", "test1", "", "test2", ""]',
+            "List should be converted to JSON array"
+        )
+
+        self.assertEqual(
+            json.dumps(("", "test1", "", "test2", "")),
+            '["", "test1", "", "test2", ""]',
+            "Tuple should be converted to JSON array"
         )