diff --git a/marketplace.js b/marketplace.js
index 991daf8..f47a60d 100644
--- a/marketplace.js
+++ b/marketplace.js
@@ -361,14 +361,14 @@ DemandMatcher.prototype.handleEvent = function (e) {
 };
 
 DemandMatcher.prototype.handleGestalt = function (gestalt) {
-    var newDemandMatcher = gestalt.project(this.metaLevel,
-					   this.demandLevel,
+    var newDemandMatcher = gestalt.project(this.projectionSpec,
 					   !this.demandSideIsSubscription,
-					   this.projectionSpec);
-    var newSupplyMatcher = gestalt.project(this.metaLevel,
-					   this.supplyLevel,
+					   this.metaLevel,
+					   this.demandLevel);
+    var newSupplyMatcher = gestalt.project(this.projectionSpec,
 					   this.demandSideIsSubscription,
-					   this.projectionSpec)
+					   this.metaLevel,
+					   this.supplyLevel);
     var newDemand = route.arrayToSet(route.matcherKeys(newDemandMatcher));
     var newSupply = route.arrayToSet(route.matcherKeys(newSupplyMatcher));
     var demandDelta = route.setSubtract(newDemand, this.currentDemand);
diff --git a/route.js b/route.js
index 7a4f033..8ef9391 100644
--- a/route.js
+++ b/route.js
@@ -1176,8 +1176,8 @@ function Routing(exports) {
 	return setToArray(pids);
     };
 
-    Gestalt.prototype.project = function (metaLevel, level, getAdvertisements, spec) {
-	var l = this.getLevel(metaLevel, level);
+    Gestalt.prototype.project = function (spec, getAdvertisements, metaLevel, level) {
+	var l = this.getLevel(metaLevel | 0, level | 0);
 	var matcher = (getAdvertisements ? l.advertisements : l.subscriptions);
 	return project(matcher, spec);
     };