diff --git a/angucomplete.js b/angucomplete.js
index 7a42bf0..c1ac754 100644
--- a/angucomplete.js
+++ b/angucomplete.js
@@ -204,7 +204,7 @@ angular.module('angucomplete', [] )
                     if ($scope.results && ($scope.currentIndex + 1) < $scope.results.length) {
                         $scope.currentIndex ++;
                         $scope.$apply();
-                        event.preventDefault;
+                        event.preventDefault();
                         event.stopPropagation();
                     }
 
@@ -213,7 +213,7 @@ angular.module('angucomplete', [] )
                     if ($scope.currentIndex >= 1) {
                         $scope.currentIndex --;
                         $scope.$apply();
-                        event.preventDefault;
+                        event.preventDefault();
                         event.stopPropagation();
                     }
 
@@ -221,12 +221,12 @@ angular.module('angucomplete', [] )
                     if ($scope.results && $scope.currentIndex >= 0 && $scope.currentIndex < $scope.results.length) {
                         $scope.selectResult($scope.results[$scope.currentIndex]);
                         $scope.$apply();
-                        event.preventDefault;
+                        event.preventDefault();
                         event.stopPropagation();
                     } else {
                         $scope.results = [];
                         $scope.$apply();
-                        event.preventDefault;
+                        event.preventDefault();
                         event.stopPropagation();
                     }