diff --git a/tests/core/pyspec/eth2spec/test/whisk/block_processing/test_process_shuffled_trackers.py b/tests/core/pyspec/eth2spec/test/whisk/block_processing/test_process_shuffled_trackers.py
index e0411870a..7d7d39914 100644
--- a/tests/core/pyspec/eth2spec/test/whisk/block_processing/test_process_shuffled_trackers.py
+++ b/tests/core/pyspec/eth2spec/test/whisk/block_processing/test_process_shuffled_trackers.py
@@ -32,7 +32,7 @@ def set_state_epoch(spec, state, epoch):
 
 
 def set_state_epoch_selection_gap(spec, state):
-    set_state_epoch(spec, state, spec.WHISK_EPOCHS_PER_SHUFFLING_PHASE - 1)
+    set_state_epoch(spec, state, spec.config.WHISK_EPOCHS_PER_SHUFFLING_PHASE - 1)
 
 
 def empty_block_body(spec):
@@ -73,7 +73,11 @@ def test_no_shuffle_minus_selection_gap(spec, state):
 @spec_state_test
 def test_no_shuffle_minus_one_and_selection_gap(spec, state):
     body = empty_block_body(spec)
-    set_state_epoch(spec, state, spec.WHISK_EPOCHS_PER_SHUFFLING_PHASE - spec.WHISK_PROPOSER_SELECTION_GAP - 1)
+    set_state_epoch(
+        spec,
+        state,
+        spec.config.WHISK_EPOCHS_PER_SHUFFLING_PHASE - spec.config.WHISK_PROPOSER_SELECTION_GAP - 1
+    )
     yield from run_process_shuffled_trackers(spec, state, body)