diff --git a/src/main.cpp b/src/main.cpp
index c21448997..4667236ae 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3094,8 +3094,9 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
         fExpensiveChecks = false;
     }
 
-    // Don't cache results if we're actually connecting blocks (still consult the cache, though).
-    bool fCacheResults = fJustCheck;
+    // Don't cache results if we're actually connecting blocks or benchmarking
+    // (still consult the cache, though, which will be empty for benchmarks).
+    bool fCacheResults = fJustCheck && (blockChecks != CheckAs::SlowBenchmark);
 
     // proof verification is expensive, disable if possible
     auto verifier = fExpensiveChecks ? ProofVerifier::Strict() : ProofVerifier::Disabled();
diff --git a/src/zcbenchmarks.cpp b/src/zcbenchmarks.cpp
index 8ed2b907a..7c508e353 100644
--- a/src/zcbenchmarks.cpp
+++ b/src/zcbenchmarks.cpp
@@ -594,7 +594,7 @@ double benchmark_connectblock_slow()
     CValidationState state;
     struct timeval tv_start;
     timer_start(tv_start);
-    assert(ConnectBlock(block, state, &index, view, Params(), true));
+    assert(ConnectBlock(block, state, &index, view, Params(), true, CheckAs::SlowBenchmark));
     auto duration = timer_stop(tv_start);
 
     // Undo alterations to global state