diff --git a/ui/litellm-dashboard/src/components/onboarding_link.test.tsx b/ui/litellm-dashboard/src/components/onboarding_link.test.tsx
index e99a6600d83..039d5e250da 100644
--- a/ui/litellm-dashboard/src/components/onboarding_link.test.tsx
+++ b/ui/litellm-dashboard/src/components/onboarding_link.test.tsx
@@ -56,4 +56,15 @@ describe("buildOnboardingUrl", () => {
       }),
     ).toBe("");
   });
+
+  it("returns an empty string rather than an invitation_id=undefined link when the id is not ready", () => {
+    expect(
+      buildOnboardingUrl({
+        baseUrl: "http://localhost:4000/",
+        invitationId: undefined,
+        hasUserSetupSso: false,
+        resetPassword: false,
+      }),
+    ).toBe("");
+  });
 });
diff --git a/ui/litellm-dashboard/src/components/onboarding_link.tsx b/ui/litellm-dashboard/src/components/onboarding_link.tsx
index da12eaf0e60..0c27287a9e4 100644
--- a/ui/litellm-dashboard/src/components/onboarding_link.tsx
+++ b/ui/litellm-dashboard/src/components/onboarding_link.tsx
@@ -44,6 +44,9 @@ export function buildOnboardingUrl({
   if (hasUserSetupSso) {
     return new URL(uiPath, baseUrl).toString();
   }
+  if (!invitationId) {
+    return "";
+  }
   const action = resetPassword ? "&action=reset_password" : "";
   return new URL(`${uiPath}/onboarding?invitation_id=${invitationId}${action}`, baseUrl).toString();
 }