diff --git a/lib/settleParallel.js b/lib/settleParallel.js
index d58d6ae..1a71e6c 100644
--- a/lib/settleParallel.js
+++ b/lib/settleParallel.js
@@ -16,7 +16,8 @@ function buildSettleParallel() {
   }
 
   function settleParallel(done) {
-    nowAndLater.map(args, asyncSettle, extensions, helpers.onSettled(done));
+    var onSettled = helpers.onSettled(done);
+    nowAndLater.map(args, asyncSettle, extensions, onSettled);
   }
 
   return settleParallel;
diff --git a/lib/settleSeries.js b/lib/settleSeries.js
index 8b7266b..2afcabf 100644
--- a/lib/settleSeries.js
+++ b/lib/settleSeries.js
@@ -16,8 +16,8 @@ function buildSettleSeries() {
   }
 
   function settleSeries(done) {
-    nowAndLater.mapSeries(args, asyncSettle, extensions,
-      helpers.onSettled(done));
+    var onSettled = helpers.onSettled(done);
+    nowAndLater.mapSeries(args, asyncSettle, extensions, onSettled);
   }
 
   return settleSeries;