diff --git a/syweb/webclient/login/register-controller.js b/syweb/webclient/login/register-controller.js
index be970ce1c..b23a72b18 100644
--- a/syweb/webclient/login/register-controller.js
+++ b/syweb/webclient/login/register-controller.js
@@ -124,7 +124,7 @@ angular.module('RegisterController', ['matrixService'])
                 $location.url("home");
             },
             function(error) {
-                console.trace("Registration error: "+error);
+                console.error("Registration error: "+JSON.stringify(error));
                 if (useCaptcha) {
                     Recaptcha.reload();
                 }
diff --git a/syweb/webclient/test/unit/register-controller.spec.js b/syweb/webclient/test/unit/register-controller.spec.js
new file mode 100644
index 000000000..369704c0d
--- /dev/null
+++ b/syweb/webclient/test/unit/register-controller.spec.js
@@ -0,0 +1,84 @@
+describe("RegisterController ", function() {
+    var rootScope, scope, ctrl, $q, $timeout;
+    var userId = "@foo:bar";
+    var displayName = "Foo";
+    var avatarUrl = "avatar.url";
+    
+    window.webClientConfig = {
+        useCapatcha: false
+    };
+    
+    // test vars
+    var testRegisterData, testFailRegisterData;
+    
+    
+    // mock services
+    var matrixService = {
+        config: function() {
+            return {
+                user_id: userId
+            }
+        },
+        setConfig: function(){},
+        register: function(mxid, password, threepidCreds, useCaptcha) {
+            var d = $q.defer();
+            if (testFailRegisterData) {
+                d.reject({
+                    data: testFailRegisterData
+                });
+            }
+            else {
+                d.resolve({
+                    data: testRegisterData
+                });
+            }
+            return d.promise;
+        }
+    };
+    
+    var eventStreamService = {};
+    
+    beforeEach(function() {
+        module('matrixWebClient');
+        
+        // reset test vars
+        testRegisterData = undefined;
+        testFailRegisterData = undefined;
+    });
+
+    beforeEach(inject(function($rootScope, $injector, $location, $controller, _$q_, _$timeout_) {
+            $q = _$q_;
+            $timeout = _$timeout_;
+            scope = $rootScope.$new();
+            rootScope = $rootScope;
+            routeParams = {
+                user_matrix_id: userId
+            };
+            ctrl = $controller('RegisterController', {
+                '$scope': scope,
+                '$rootScope': $rootScope, 
+                '$location': $location,
+                'matrixService': matrixService,
+                'eventStreamService': eventStreamService
+            });
+        })
+    );
+
+    // SYWEB-109
+    it('should display an error if the HS rejects the username on registration', function() {
+        var prevFeedback = angular.copy(scope.feedback);
+    
+        testFailRegisterData = {
+            errcode: "M_UNKNOWN",
+            error: "I am rejecting you."
+        };
+    
+        scope.account.pwd1 = "password";
+        scope.account.pwd2 = "password";
+        scope.account.desired_user_id = "bob";
+        scope.register();
+        rootScope.$digest();
+        
+        expect(scope.feedback).toNotEqual(prevFeedback);
+    });
+});