diff --git a/onelogin_aws_cli/configuration.py b/onelogin_aws_cli/configuration.py
index 3ec18682..d7b54037 100644
--- a/onelogin_aws_cli/configuration.py
+++ b/onelogin_aws_cli/configuration.py
@@ -34,6 +34,13 @@ def is_initialised(self) -> bool:
 
     def load(self):
         self.read_file(self.file)
+        # For backwards compatibility, we check if they have a default
+        # section instead of a defaults section and do a little switcheroo as
+        # needed.
+        if self.has_section('default') and not self.has_defaults:
+            print("It looks like you're using a the deprecated 'default' "
+                  "section.\nConsider renaming the section to 'defaults'.")
+            self.default_section = 'default'
 
     def initialise(self, config_name='defaults'):
         """
diff --git a/onelogin_aws_cli/tests/test_configurationFile.py b/onelogin_aws_cli/tests/test_configurationFile.py
index 13e4a4c3..455f0bce 100644
--- a/onelogin_aws_cli/tests/test_configurationFile.py
+++ b/onelogin_aws_cli/tests/test_configurationFile.py
@@ -118,6 +118,10 @@ def test_supports_default(self):
 first=foo""")
         self.assertEqual("defaults", cf.default_section)
 
+        cf = self._helper_build_config("""[default]
+second=bar""")
+        self.assertEqual("default", cf.default_section)
+
         cf = self._helper_build_config("""[defaults]
 first=foo