diff --git a/ui/litellm-dashboard/src/app/(dashboard)/models-and-endpoints/panels/AddModelPanel.integration.test.tsx b/ui/litellm-dashboard/src/app/(dashboard)/models-and-endpoints/panels/AddModelPanel.integration.test.tsx
index 19e1e3aa8bd..efba26734ff 100644
--- a/ui/litellm-dashboard/src/app/(dashboard)/models-and-endpoints/panels/AddModelPanel.integration.test.tsx
+++ b/ui/litellm-dashboard/src/app/(dashboard)/models-and-endpoints/panels/AddModelPanel.integration.test.tsx
@@ -87,7 +87,6 @@ const alwaysMounted = {
   api_key: undefined,
   api_base: undefined,
   custom_llm_provider: "openai",
-  litellm_credential_name: null,
   model: "gpt-4o",
 };
 
diff --git a/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.test.tsx b/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.test.tsx
index 7ef09d34924..2aa8f93b72b 100644
--- a/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.test.tsx
+++ b/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.test.tsx
@@ -73,4 +73,28 @@ describe("prepareModelAddRequest", () => {
     expect(deployment.litellmParamsObj.litellm_credential_name).toBe("selected-credential");
     expect(deployment.litellmParamsObj.timeout).toBe(5);
   });
+
+  it("keeps litellm_credential_name from LiteLLM Params JSON when no credential is selected", async () => {
+    const formValues = {
+      model_mappings: [
+        {
+          public_name: "Public Model",
+          litellm_model: "litellm/public",
+        },
+      ],
+      model_name: "custom-model-name",
+      litellm_extra_params: JSON.stringify({
+        litellm_credential_name: "from-json",
+        timeout: 5,
+      }),
+      litellm_credential_name: null,
+    };
+
+    const deployments = await prepareModelAddRequest({ ...formValues }, "token", null);
+
+    expect(deployments).toHaveLength(1);
+    const [deployment] = deployments!;
+    expect(deployment.litellmParamsObj.litellm_credential_name).toBe("from-json");
+    expect(deployment.litellmParamsObj.timeout).toBe(5);
+  });
 });
diff --git a/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.tsx b/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.tsx
index bb2f78fa84e..b4ae51d5423 100644
--- a/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.tsx
+++ b/ui/litellm-dashboard/src/components/add_model/handle_add_model_submit.tsx
@@ -91,6 +91,9 @@ export const prepareModelAddRequest = async (formValues: Record<string, any>, ac
         if (value === "") {
           continue;
         }
+        if (key === "litellm_credential_name" && value == null) {
+          continue;
+        }
         // Skip the custom_pricing and pricing_model fields as they're only used for UI control
         if (key === "custom_pricing" || key === "pricing_model" || key === "cache_control") {
           continue;
@@ -124,7 +127,7 @@ export const prepareModelAddRequest = async (formValues: Record<string, any>, ac
           if (value && value != undefined) {
             try {
               litellmExtraParams = JSON.parse(value);
-              if ("litellm_credential_name" in litellmExtraParams) {
+              if ("litellm_credential_name" in litellmExtraParams && formValues.litellm_credential_name) {
                 delete litellmExtraParams.litellm_credential_name;
               }
             } catch (error) {