diff --git a/tests/test_closing.py b/tests/test_closing.py
index 896ff0ca0..8a763d1b1 100644
--- a/tests/test_closing.py
+++ b/tests/test_closing.py
@@ -966,10 +966,10 @@ def test_channel_lease_unilat_closes(node_factory, bitcoind):
     # we *can* spend the 1csv lock one
     l2.rpc.withdraw(l2.rpc.newaddr()['bech32'], "all", utxos=[utxo3])
 
-    # This can timeout, so do it in four easy stages.
-    for i in range(4):
-        bitcoind.generate_block(4032 // 4)
-        sync_blockheight(bitcoind, [l2, l3])
+    # This can timeout, so do it in easy stages.
+    for i in range(16):
+        bitcoind.generate_block(4032 // 16)
+    sync_blockheight(bitcoind, [l2, l3])
 
     l2.rpc.withdraw(l2.rpc.newaddr()['bech32'], "all", utxos=[utxo1])