diff --git a/tasks/eth/022-holocene-fp-upgrade/.env b/tasks/eth/022-holocene-fp-upgrade/.env
index 71d189cc..3f46b602 100644
--- a/tasks/eth/022-holocene-fp-upgrade/.env
+++ b/tasks/eth/022-holocene-fp-upgrade/.env
@@ -8,3 +8,6 @@ SAFE_NONCE_0XC2819DC788505AAC350142A7A707BF9D03E3BD03=8  # noop
 SAFE_NONCE_0X847B5C174615B1B7FDF770882256E2D3E95B9D92=11 # +1, task 021
 
 SIMULATE_WITHOUT_LEDGER=0 # 1
+
+# we change the WETH in this task, which is non-standard
+DISPUTE_GAME_CHANGE_WETH=true