diff --git a/features.js b/features.js
index 32c8282..c45e5b0 100755
--- a/features.js
+++ b/features.js
@@ -1016,6 +1016,10 @@ var FeatureSetProto = {
 		var unapplicable = []
 		var features = this.buildFeatureList(lst, 
 			(function(n){
+				// if we already tested unapplicable, no need to test again...
+				if(unapplicable.indexOf(n) >= 0){
+					return true
+				}
 				var f = this[n]
 				// check applicability if possible...
 				if(f && f.isApplicable && !f.isApplicable.call(this, obj)){
diff --git a/package.json b/package.json
index cfbe79e..2c7e3a6 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-features",
-  "version": "3.3.1",
+  "version": "3.3.2",
   "description": "",
   "main": "features.js",
   "scripts": {