diff --git a/ServerBench.cpp b/ServerBench.cpp
index 2d07e6c..db3e8b3 100644
--- a/ServerBench.cpp
+++ b/ServerBench.cpp
@@ -193,7 +193,7 @@ struct Transaction {
     }
     reads.push_back({{(const uint8_t *)keys[0].data(), int(keys[0].size())},
                      {(const uint8_t *)keys[1].data(), int(keys[1].size())},
-                     version - kWindowSize});
+                     version - std::min(10, kWindowSize)});
     static_assert(kNumReadKeysPerTx >= 3);
     for (int i = 2; i < kNumReadKeysPerTx; ++i) {
       reads.push_back({{(const uint8_t *)keys[i].data(), int(keys[i].size())},