diff --git a/ui/litellm-dashboard/src/components/model_info_view.test.tsx b/ui/litellm-dashboard/src/components/model_info_view.test.tsx
index f22c5a7428a..feca098f5ad 100644
--- a/ui/litellm-dashboard/src/components/model_info_view.test.tsx
+++ b/ui/litellm-dashboard/src/components/model_info_view.test.tsx
@@ -544,7 +544,7 @@ describe("ModelInfoView", () => {
     });
   });
 
-  it("should keep selector credential and ignore litellm_credential_name from LiteLLM Params json", async () => {
+  it("ignores litellm_credential_name typed into the LiteLLM Params json and never re-sends the untouched selector credential", async () => {
     const user = userEvent.setup();
     render(<ModelInfoView {...DEFAULT_ADMIN_PROPS} />, { wrapper });
 
@@ -575,8 +575,9 @@ describe("ModelInfoView", () => {
     });
 
     const updatePayload = mockModelPatchUpdateCall.mock.calls[0][1];
-    expect(updatePayload.litellm_params.litellm_credential_name).toBe("selected-credential");
+    expect(updatePayload.litellm_params.timeout).toBe(42);
     expect(updatePayload.litellm_params.litellm_credential_name).not.toBe("from-json");
+    expect(updatePayload.litellm_params).not.toHaveProperty("litellm_credential_name");
   });
 
   it("should not include vector_store_ids in update payload when model has none", async () => {
@@ -790,6 +791,8 @@ describe("ModelInfoView", () => {
     expect(updatePayload.litellm_params).not.toHaveProperty("organization");
     expect(updatePayload.litellm_params).not.toHaveProperty("custom_llm_provider");
     expect(updatePayload.litellm_params).not.toHaveProperty("stream_timeout");
+    expect(updatePayload.litellm_params).not.toHaveProperty("guardrails");
+    expect(updatePayload.litellm_params).not.toHaveProperty("litellm_credential_name");
   });
 
   it("never seeds or re-sends a masked secret nested inside an object (regression: nested-secret corruption)", async () => {
diff --git a/ui/litellm-dashboard/src/components/model_info_view.tsx b/ui/litellm-dashboard/src/components/model_info_view.tsx
index d5490f282e8..0b897938989 100644
--- a/ui/litellm-dashboard/src/components/model_info_view.tsx
+++ b/ui/litellm-dashboard/src/components/model_info_view.tsx
@@ -471,12 +471,10 @@ export default function ModelInfoView({
         }
       }
 
-      if (values.litellm_credential_name) {
+      if (form.isFieldTouched("litellm_credential_name") && values.litellm_credential_name) {
         updatedLitellmParams.litellm_credential_name = values.litellm_credential_name;
-      } else {
-        delete updatedLitellmParams.litellm_credential_name;
       }
-      if (values.guardrails) {
+      if (form.isFieldTouched("guardrails")) {
         updatedLitellmParams.guardrails = values.guardrails;
       }
       if (values.vector_store_ids?.length > 0) {