diff --git a/tests/unit/test_minimal_pv.cu b/tests/unit/test_minimal_pv.cu
index e2f1c709..89945867 100644
--- a/tests/unit/test_minimal_pv.cu
+++ b/tests/unit/test_minimal_pv.cu
@@ -81,10 +81,11 @@ test_minimal_pv()
     }
     __syncthreads();
 
+    uint32_t tb = 0;
     // TMEM alloc
     if (wid == 1) tmem_alloc(__cvta_generic_to_shared(sTmemBase), 128);
     __syncthreads();
-    uint32_t tb = *sTmemBase;
+    tb = *sTmemBase;
 
     // QK GEMM (SS) — uses sQ0 and sK0
     {