diff --git a/packages/react/test/reactrouter-cross-usage.test.tsx b/packages/react/test/reactrouter-cross-usage.test.tsx
index e21fca13a077..424821a9ad98 100644
--- a/packages/react/test/reactrouter-cross-usage.test.tsx
+++ b/packages/react/test/reactrouter-cross-usage.test.tsx
@@ -63,15 +63,6 @@ vi.mock('@sentry/browser', async requireActual => {
   };
 });
 
-vi.mock('@sentry/core', async requireActual => {
-  return {
-    ...(await requireActual()),
-    getRootSpan: () => {
-      return mockRootSpan;
-    },
-  };
-});
-
 vi.mock('@sentry/core', async requireActual => {
   const actual = (await requireActual()) as any;
   return {
@@ -82,6 +73,8 @@ vi.mock('@sentry/core', async requireActual => {
     getActiveSpan: () => {
       const span = actual.getActiveSpan();
 
+      if (!span) return undefined;
+
       span.updateName = mockNavigationSpan.updateName;
       span.setAttribute = mockNavigationSpan.setAttribute;