diff --git a/kubernetes/aio/client/configuration.py b/kubernetes/aio/client/configuration.py
index f1cedb7c0e..1f92834fbb 100644
--- a/kubernetes/aio/client/configuration.py
+++ b/kubernetes/aio/client/configuration.py
@@ -388,7 +388,8 @@ async def get_api_key_with_prefix(self, identifier, alias=None):
                 await result
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/kubernetes/client/configuration.py b/kubernetes/client/configuration.py
index d113df1e69..61676067a8 100644
--- a/kubernetes/client/configuration.py
+++ b/kubernetes/client/configuration.py
@@ -379,7 +379,8 @@ def get_api_key_with_prefix(self, identifier, alias=None):
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/kubernetes/test/test_api_client.py b/kubernetes/test/test_api_client.py
index 9a7789fd1a..f79b59d05e 100644
--- a/kubernetes/test/test_api_client.py
+++ b/kubernetes/test/test_api_client.py
@@ -120,3 +120,14 @@ def test_auth_settings_with_no_token(self):
         """No api_key entry yields an empty auth dict."""
         config = Configuration()
         self.assertEqual(config.auth_settings(), {})
+
+    def test_auth_settings_with_authorization_key_and_prefix(self):
+        """Legacy callers that split the token and prefix across
+        api_key['authorization'] and api_key_prefix['authorization'] (rather
+        than embedding "Bearer " in the token itself) must still get the
+        prefix applied. https://github.com/kubernetes-client/python/issues/2592
+        """
+        config = Configuration()
+        config.api_key['authorization'] = 'abc123'
+        config.api_key_prefix['authorization'] = 'Bearer'
+        self.assertEqual(self._bearer_value(config), 'Bearer abc123')