diff --git a/dsv4/kernels/router/dense_router_decode.py b/dsv4/kernels/router/dense_router_decode.py
index a24b581b..dda5ae88 100644
--- a/dsv4/kernels/router/dense_router_decode.py
+++ b/dsv4/kernels/router/dense_router_decode.py
@@ -33,7 +33,7 @@ def dense_router_dispatch(
                 out_weights, out_ids,
             )
             return
-        except (ImportError, NotImplementedError):
+        except Exception:
             pass  # fall through to prefill path
 
     _run_prefill_path(