diff --git a/tests/common/util/TestObject.cpp b/tests/common/util/TestObject.cpp
index f04149e6..664f7438 100644
--- a/tests/common/util/TestObject.cpp
+++ b/tests/common/util/TestObject.cpp
@@ -89,6 +89,8 @@ createLedgerHeader(std::string_view ledgerHash, ripple::LedgerIndex seq, std::op
     ledgerHeader.seq = seq;
 
     if (age) {
+        // Note: be cautious of using age values close to each other as the underlying NetClock precision is seconds
+        // and the small time difference may lead to comparison bugs
         auto const now = duration_cast<seconds>(system_clock::now().time_since_epoch());
         auto const closeTime = (now - seconds{age.value()}).count() - kRIPPLE_EPOCH_START;
         ledgerHeader.closeTime = ripple::NetClock::time_point{seconds{closeTime}};
diff --git a/tests/unit/etlng/ExtractionTests.cpp b/tests/unit/etlng/ExtractionTests.cpp
index 9d50784b..3f983bff 100644
--- a/tests/unit/etlng/ExtractionTests.cpp
+++ b/tests/unit/etlng/ExtractionTests.cpp
@@ -92,7 +92,7 @@ TEST_F(ExtractionModelNgTests, LedgerDataCopyableAndEquatable)
     }
     {
         auto third = second;
-        third.header = createLedgerHeader(kLEDGER_HASH2, kSEQ, 2);
+        third.header = createLedgerHeader(kLEDGER_HASH2, kSEQ, 100);  // Using large age value to avoid flaky test
         EXPECT_NE(first, third);
     }
     {