diff --git a/litellm/proxy/credential_endpoints/endpoints.py b/litellm/proxy/credential_endpoints/endpoints.py
index 5b3507f9b6d..86e716f19e3 100644
--- a/litellm/proxy/credential_endpoints/endpoints.py
+++ b/litellm/proxy/credential_endpoints/endpoints.py
@@ -920,8 +920,6 @@ def update_db_credential(
     # update model info
     if encrypted_credential.credential_info:
         """Update credential info"""
-        if "credential_info" not in merged_credential.credential_info:
-            merged_credential.credential_info = {}
         merged_credential.credential_info.update(encrypted_credential.credential_info)
 
     return merged_credential
diff --git a/tests/integration/management/test_credential_display_name.py b/tests/integration/management/test_credential_display_name.py
index 0e72dcf8b2f..f605be1d059 100644
--- a/tests/integration/management/test_credential_display_name.py
+++ b/tests/integration/management/test_credential_display_name.py
@@ -122,6 +122,9 @@ def test_patch_rename_is_rejected_and_model_keeps_working(gateway: Gateway) -> N
             "PATCH", f"/credentials/{name}", {"credential_name": name, "credential_info": {"description": "y"}}
         )
         assert same_name.status_code == 200, same_name.text
+        assert read_rows(
+            'SELECT credential_info FROM "LiteLLM_CredentialsTable" WHERE credential_name = %s', (name,)
+        ) == [{"credential_info": {"custom_llm_provider": "openai", "description": "y"}}]
         assert _served_credential(gateway, name)["credential_info"] == {
             "custom_llm_provider": "openai",
             "description": "y",
diff --git a/tests/unit/proxy/credential_endpoints/test_endpoints.py b/tests/unit/proxy/credential_endpoints/test_endpoints.py
index 3d8e92988d9..cdd18fd4eef 100644
--- a/tests/unit/proxy/credential_endpoints/test_endpoints.py
+++ b/tests/unit/proxy/credential_endpoints/test_endpoints.py
@@ -3166,18 +3166,34 @@ class TestCredentialDisplayName:
         repository.update_by_name.assert_not_awaited()
         assert litellm.credential_list == [_labeled_credential()]
 
-    def test_patch_accepts_the_same_credential_name_echoed_back(self, restore_credential_list, monkeypatch):
+    @pytest.mark.parametrize(
+        ("patch_info", "expected_info"),
+        [
+            ({}, {"custom_llm_provider": "openai"}),
+            ({"description": "y"}, {"custom_llm_provider": "openai", "description": "y"}),
+            ({"custom_llm_provider": "anthropic"}, {"custom_llm_provider": "anthropic"}),
+        ],
+    )
+    def test_patch_accepts_the_same_credential_name_echoed_back(
+        self, restore_credential_list, monkeypatch, patch_info: dict[str, str], expected_info: dict[str, str]
+    ):
         monkeypatch.setattr(litellm, "credential_list", [_labeled_credential()])
         with _repository_holding(_labeled_credential()) as repository:
             response = _patch_credential(
                 "openai-prod",
-                {"credential_name": "openai-prod", "credential_values": {"api_key": "sk-new"}, "credential_info": {}},
+                {
+                    "credential_name": "openai-prod",
+                    "credential_values": {"api_key": "sk-new"},
+                    "credential_info": patch_info,
+                },
             )
 
         assert response.status_code == 200, response.text
         assert [(c.credential_name, c.credential_values) for c in litellm.credential_list] == [
             ("openai-prod", {"api_key": "sk-new"})
         ]
+        assert json.loads(repository.update_by_name.await_args.kwargs["data"]["credential_info"]) == expected_info
+        assert litellm.credential_list[0].credential_info == expected_info
 
     def test_patch_on_a_config_credential_is_rejected_as_config_owned(self, restore_credential_list, monkeypatch):
         config_credential = _labeled_credential(display_name=None).model_copy(update={"source": "config"})