1 files changed, 4 insertions, 2 deletions
diff --git a/src/test/fuzz/block.cpp b/src/test/fuzz/block.cpp
index 431248de4a..9d0ad369a2 100644
--- a/src/test/fuzz/block.cpp
+++ b/src/test/fuzz/block.cpp
@@ -19,7 +19,7 @@
 
 void initialize()
 {
-    const static auto verify_handle = MakeUnique<ECCVerifyHandle>();
+    static const ECCVerifyHandle verify_handle;
     SelectParams(CBaseChainParams::REGTEST);
 }
 
@@ -59,5 +59,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
     }
     (void)GetBlockWeight(block);
     (void)GetWitnessCommitmentIndex(block);
-    (void)RecursiveDynamicUsage(block);
+    const size_t raw_memory_size = RecursiveDynamicUsage(block);
+    const size_t raw_memory_size_as_shared_ptr = RecursiveDynamicUsage(std::make_shared<CBlock>(block));
+    assert(raw_memory_size_as_shared_ptr > raw_memory_size);
 }