diff --git a/src/replace.js b/src/replace.js
index 7286fd6..30778a3 100644
--- a/src/replace.js
+++ b/src/replace.js
@@ -75,6 +75,9 @@ EPUBJS.replace.links = function(_store, full, done, link){
 			setTimeout(function(){
 				done(url, full);
 			}, 5); //-- Allow for css to apply before displaying chapter
+		},  function(reason) {
+			// we were unable to replace the style sheets
+			done(null);
 		});
 	}else{
 		_store.getUrl(full).then(done, function(reason) {
@@ -100,10 +103,12 @@ EPUBJS.replace.stylesheets = function(_store, full) {
 
 			deferred.resolve(url);
 
-		}, function(e) {
-			console.error(e);
+		}, function(reason) {
+			deferred.reject(reason);
 		});
 		
+	}, function(reason) {
+		deferred.reject(reason);
 	});
 
 	return deferred.promise;
diff --git a/src/unarchiver.js b/src/unarchiver.js
index 4944f55..78824b1 100644
--- a/src/unarchiver.js
+++ b/src/unarchiver.js
@@ -68,7 +68,10 @@ EPUBJS.Unarchiver.prototype.getText = function(url, encoding){
 	var _URL = window.URL || window.webkitURL || window.mozURL;
 
 	if(!entry) {
-		console.warn("File not found in the contained epub:", url);
+		deferred.reject({
+			message : "File not found in the epub: " + url,
+			stack : new Error().stack
+		});
 		return deferred.promise;
 	}