diff --git a/tests/benchmark/compute/instruction/test_storage.py b/tests/benchmark/compute/instruction/test_storage.py
index 44edc54d3e..c99608475a 100644
--- a/tests/benchmark/compute/instruction/test_storage.py
+++ b/tests/benchmark/compute/instruction/test_storage.py
@@ -501,7 +501,9 @@ def test_storage_access_warm_benchmark(
     """
     match storage_action:
         case StorageAction.WRITE_SAME_VALUE:
-            attack_block = Op.SSTORE(Op.PUSH0, Op.PUSH0)
+            # Timestamp is nonzero (no txs run in Genesis block),
+            # Always writes to the zero key a nonzero, constant value
+            attack_block = Op.SSTORE(Op.PUSH0, Op.TIMESTAMP)
         case StorageAction.WRITE_NEW_VALUE:
             attack_block = Op.SSTORE(Op.PUSH0, Op.GAS)
         case StorageAction.READ: