diff --git a/cub/agent/single_pass_scan_operators.cuh b/cub/agent/single_pass_scan_operators.cuh
index 66fce8ae1..af91d6b17 100644
--- a/cub/agent/single_pass_scan_operators.cuh
+++ b/cub/agent/single_pass_scan_operators.cuh
@@ -997,7 +997,7 @@ struct ReduceByKeyScanTileState<ValueT, KeyT, true>
     /**
      * Wait for the corresponding tile to become non-invalid
      */
-    template <class DelayT = detail::fixed_delay_constructor_t<350, 450>> 
+    template <class DelayT = detail::fixed_delay_constructor_t<350, 450>::delay_t> 
     __device__ __forceinline__ void WaitForValid(
         int                     tile_idx,
         StatusWord              &status,