diff --git a/tests/unit/test_pv_ss_128.cu b/tests/unit/test_pv_ss_128.cu
index 8689b7da..3d0c9d16 100644
--- a/tests/unit/test_pv_ss_128.cu
+++ b/tests/unit/test_pv_ss_128.cu
@@ -72,7 +72,7 @@ test_pv_ss_128()
     {
         uint64_t dv = make_umma_desc_kmajor_none(__cvta_generic_to_shared(sV), 16);
         uint32_t idesc = make_idesc(BLOCK_MN, HD);
-        for (int kt = 1; kt < 2; kt++) {
+        for (int kt = 0; kt < 2; kt++) {
             bf16_t* sp = sP + kt * 2048;
             uint64_t dp = make_umma_desc_kmajor_none(__cvta_generic_to_shared(sp), BLOCK_MN);
             if (tid == 0) umma_ss_f16(tb, dp, dv, idesc, true);  // ALL accumulate