diff --git a/tests/unit/test_tmem_cols.cu b/tests/unit/test_tmem_cols.cu
index a63c7f7c..a3dcaba5 100644
--- a/tests/unit/test_tmem_cols.cu
+++ b/tests/unit/test_tmem_cols.cu
@@ -48,18 +48,7 @@ __global__ void test_tmem_2col(float* out) {
         memcpy(&u0, &v0, 4); memcpy(&u1, &v1, 4);
         memcpy(&u2, &v2, 4); memcpy(&u3, &v3, 4);
         tmem_store(tb + 0, u0, u1, u2, u3);
-    }
-    tmem_fence();
-    __syncthreads();
-    {
-        float v0 = (float)(lane * 4 + 100);
-        float v1 = (float)(lane * 4 + 101);
-        float v2 = (float)(lane * 4 + 102);
-        float v3 = (float)(lane * 4 + 103);
-        uint32_t u0, u1, u2, u3;
-        memcpy(&u0, &v0, 4); memcpy(&u1, &v1, 4);
-        memcpy(&u2, &v2, 4); memcpy(&u3, &v3, 4);
-        tmem_store(tb + 1, u0, u1, u2, u3);
+        tmem_store(tb + 0, u1, u2, u3, u0);  // 2nd store to SAME column
     }
     tmem_fence();
     __syncthreads();