diff --git a/README.md b/README.md
index 3eed629..16bbb73 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ REQUIREMENTS
 ------------
 This library requires the following:
 
-- jQuery 1.11.0+
+- jQuery 1.11.0+ | 2.0+ | 3.0+
 
 ---
 
diff --git a/dist/js/freeze-table.js b/dist/js/freeze-table.js
index 44a1324..e63369c 100644
--- a/dist/js/freeze-table.js
+++ b/dist/js/freeze-table.js
@@ -2,7 +2,7 @@
  * RWD Table with freezing head and columns for jQuery
  * 
  * @author  Nick Tsai <myintaer@gmail.com>
- * @version 1.0.0
+ * @version 1.1.1
  * @see     https://github.com/yidas/jquery-freeze-table
  */
 (function ($, window) {
@@ -93,7 +93,7 @@
     this.backgroundColor = options.backgroundColor || 'white';
 
     // Get navbar height for keeping fixed navbar
-    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() : 0;
+    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() || 0 : 0;
     
     // Check existence
     if (this.isInit()) {
diff --git a/docs/dist/js/freeze-table.js b/docs/dist/js/freeze-table.js
index 32a376c..e63369c 100644
--- a/docs/dist/js/freeze-table.js
+++ b/docs/dist/js/freeze-table.js
@@ -2,7 +2,7 @@
  * RWD Table with freezing head and columns for jQuery
  * 
  * @author  Nick Tsai <myintaer@gmail.com>
- * @version 1.1.0
+ * @version 1.1.1
  * @see     https://github.com/yidas/jquery-freeze-table
  */
 (function ($, window) {
@@ -93,7 +93,7 @@
     this.backgroundColor = options.backgroundColor || 'white';
 
     // Get navbar height for keeping fixed navbar
-    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() : 0;
+    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() || 0 : 0;
     
     // Check existence
     if (this.isInit()) {
diff --git a/src/js/freeze-table.js b/src/js/freeze-table.js
index 44a1324..e63369c 100644
--- a/src/js/freeze-table.js
+++ b/src/js/freeze-table.js
@@ -2,7 +2,7 @@
  * RWD Table with freezing head and columns for jQuery
  * 
  * @author  Nick Tsai <myintaer@gmail.com>
- * @version 1.0.0
+ * @version 1.1.1
  * @see     https://github.com/yidas/jquery-freeze-table
  */
 (function ($, window) {
@@ -93,7 +93,7 @@
     this.backgroundColor = options.backgroundColor || 'white';
 
     // Get navbar height for keeping fixed navbar
-    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() : 0;
+    this.fixedNavbarHeight = (fixedNavbar) ? $(fixedNavbar).outerHeight() || 0 : 0;
     
     // Check existence
     if (this.isInit()) {