diff --git a/src/aws_encryption_sdk/compatability.py b/src/aws_encryption_sdk/compatability.py
index 4dbc022d0..eeac41a46 100644
--- a/src/aws_encryption_sdk/compatability.py
+++ b/src/aws_encryption_sdk/compatability.py
@@ -35,5 +35,5 @@ def _warn_deprecated_python():
             "bug fixes, and security updates please upgrade to Python {}.{} or "
             "later. For more information, see SUPPORT_POLICY.rst: "
             "https://github.com/aws/aws-encryption-sdk-python/blob/master/SUPPORT_POLICY.rst"
-        ).format(py_version[0], py_version[1], minimum_version[0], minimum_version[1], params["date"])
+        ).format(py_version[0], py_version[1], params["date"], minimum_version[0], minimum_version[1])
         warnings.warn(warning, DeprecationWarning)