diff --git a/packages/router-core/src/router.ts b/packages/router-core/src/router.ts
index 67ae9524cf..bf1219baff 100644
--- a/packages/router-core/src/router.ts
+++ b/packages/router-core/src/router.ts
@@ -1701,7 +1701,11 @@ export class RouterCore<
           const fn =
             route.options.params?.stringify ?? route.options.stringifyParams
           if (fn) {
-            Object.assign(nextParams, fn(nextParams))
+            try {
+              Object.assign(nextParams, fn(nextParams))
+            } catch (err) {
+              //
+            }
           }
         }
       }