diff --git a/nano/core_test/node.cpp b/nano/core_test/node.cpp
index 0213b57880..65ba12a705 100644
--- a/nano/core_test/node.cpp
+++ b/nano/core_test/node.cpp
@@ -2143,6 +2143,8 @@ TEST (node, block_confirm)
 	auto send1_copy = builder.make_block ()
 					  .from (*send1)
 					  .build_shared ();
+	auto hash1 = send1->hash ();
+	auto hash2 = send1_copy->hash ();
 	node1.block_processor.add (send1);
 	node2.block_processor.add (send1_copy);
 	ASSERT_TIMELY (5s, node1.ledger.block_or_pruned_exists (send1->hash ()) && node2.ledger.block_or_pruned_exists (send1_copy->hash ()));