diff --git a/packages/inter-protocol/src/vaultFactory/vaultDirector.js b/packages/inter-protocol/src/vaultFactory/vaultDirector.js
index 35d7bf04dd07..90fe10589391 100644
--- a/packages/inter-protocol/src/vaultFactory/vaultDirector.js
+++ b/packages/inter-protocol/src/vaultFactory/vaultDirector.js
@@ -423,9 +423,9 @@ const prepareVaultDirector = (
         },
 
         makeLiquidationWaker() {
-          return makeWaker('liquidationWaker', _timestamp => {
+          return makeWaker('liquidationWaker', timestamp => {
             // XXX floating promise
-            allManagersDo(vm => vm.liquidateVaults(auctioneer, _timestamp));
+            allManagersDo(vm => vm.liquidateVaults(auctioneer, timestamp));
           });
         },
         makeReschedulerWaker() {