diff --git a/tests/core/pyspec/eth2spec/test/phase0/fork_choice/test_get_head.py b/tests/core/pyspec/eth2spec/test/phase0/fork_choice/test_get_head.py
index 318db496a..c598a3a7f 100644
--- a/tests/core/pyspec/eth2spec/test/phase0/fork_choice/test_get_head.py
+++ b/tests/core/pyspec/eth2spec/test/phase0/fork_choice/test_get_head.py
@@ -211,7 +211,7 @@ def test_filtered_block_tree(spec, state):
     test_steps.append({
         'checks': {
             'head': get_formatted_head_output(spec, store),
-            'justified_checkpoint_root': encode_hex(store.justified_checkpoint.hash_tree_root()),
+            'justified_checkpoint_root': encode_hex(store.justified_checkpoint.root),
         }
     })