diff --git a/.changeset/good-donkeys-kiss.md b/.changeset/good-donkeys-kiss.md
new file mode 100644
index 0000000000..15be073c5d
--- /dev/null
+++ b/.changeset/good-donkeys-kiss.md
@@ -0,0 +1,5 @@
+---
+"react-router-dom": patch
+---
+
+Check for `document` existence when checking `startViewTransition`
diff --git a/contributors.yml b/contributors.yml
index a2aab00d2e..d3c533fac1 100644
--- a/contributors.yml
+++ b/contributors.yml
@@ -241,6 +241,7 @@
 - tlinhart
 - tom-sherman
 - tomasr8
+- TooTallNate
 - triangularcube
 - trungpv1601
 - turansky
diff --git a/packages/react-router-dom/index.tsx b/packages/react-router-dom/index.tsx
index 1d4675396e..1f2e515f75 100644
--- a/packages/react-router-dom/index.tsx
+++ b/packages/react-router-dom/index.tsx
@@ -526,6 +526,7 @@ export function RouterProvider({
 
       let isViewTransitionUnavailable =
         router.window == null ||
+        router.window.document == null ||
         typeof router.window.document.startViewTransition !== "function";
 
       // If this isn't a view transition or it's not available in this browser,