diff --git a/nano/core_test/node.cpp b/nano/core_test/node.cpp
index dbafe14b..5c4bb28e 100644
--- a/nano/core_test/node.cpp
+++ b/nano/core_test/node.cpp
@@ -3203,9 +3203,9 @@ TEST (active_difficulty, recalculate_work)
 	nano::work_validate (*send1, &difficulty2);
 	node1.process_active (send1);
 	node1.active.update_active_difficulty (lock);
-	lock.unlock ();
 	sum = std::accumulate (node1.active.multipliers_cb.begin (), node1.active.multipliers_cb.end (), double(0));
-	ASSERT_EQ (node1.active.active_difficulty (), nano::difficulty::from_multiplier (sum / node1.active.multipliers_cb.size (), node1.network_params.network.publish_threshold));
+	ASSERT_EQ (node1.active.trended_active_difficulty, nano::difficulty::from_multiplier (sum / node1.active.multipliers_cb.size (), node1.network_params.network.publish_threshold));
+	lock.unlock ();
 }
 
 namespace