diff --git a/perftest/device/coll/reducescatter_latency.cu b/perftest/device/coll/reducescatter_latency.cu
index c0928088..6a1845be 100644
--- a/perftest/device/coll/reducescatter_latency.cu
+++ b/perftest/device/coll/reducescatter_latency.cu
@@ -107,7 +107,7 @@ CALL_RDXN_OPS_ALL_TG(int64, int64_t)
                                                                                                  \
         nvshmem_barrier_all();                                                                   \
         j = 0;                                                                                   \
-        for (size_t num_elems = min_elems; num_elems < ELEM_COMP; num_elems *= step_factor) {    \
+        for (num_elems = min_elems; num_elems < ELEM_COMP; num_elems *= step_factor) {    \
             CALL_RDXN_KERNEL(TYPENAME, OP, GROUP, num_blocks, nvshm_test_num_tpb, skip_arg_list, \
                              stream)                                                             \
             CUDA_CHECK(cudaStreamSynchronize(stream));                                           \