diff --git a/lambda_handlers/handlers/http_handler.py b/lambda_handlers/handlers/http_handler.py
index 27f20342..b2aee2b4 100644
--- a/lambda_handlers/handlers/http_handler.py
+++ b/lambda_handlers/handlers/http_handler.py
@@ -54,7 +54,7 @@ def on_exception(self, exception):
 
     def format_input(self, event):
         """Return `event` with a formatted `event['body']`."""
-        if 'body' in event:
+        if 'body' in event and event['body']:
             try:
                 event['body'] = self._input_format.format(event['body'])
             except FormatError as error:
diff --git a/lambda_handlers/handlers/tests/test_http_handler.py b/lambda_handlers/handlers/tests/test_http_handler.py
index c9e03c57..b3bf06a8 100644
--- a/lambda_handlers/handlers/tests/test_http_handler.py
+++ b/lambda_handlers/handlers/tests/test_http_handler.py
@@ -20,6 +20,11 @@ def test_empty_body_validation(self, handler):
         assert isinstance(response, dict)
         assert response['statusCode'] == 200
 
+    def test_none_body_validation(self, handler):
+        response = handler({'body': None}, None)
+        assert isinstance(response, dict)
+        assert response['statusCode'] == 200
+
     def test_invalid_body_validation(self, handler):
         response = handler({'body': '{.x'}, None)
         assert isinstance(response, dict)