diff --git a/src/lib/components/Keyboard.js b/src/lib/components/Keyboard.js
index 658b61b6..f5e2e72b 100644
--- a/src/lib/components/Keyboard.js
+++ b/src/lib/components/Keyboard.js
@@ -13,6 +13,11 @@ class SimpleKeyboard {
     if(!options)
       options = {};
 
+    /**
+     * Initializing Utilities
+     */
+    this.utilities = new Utilities(this);
+
     /**
      * Processing options
      */
@@ -41,7 +46,7 @@ class SimpleKeyboard {
     if(!window['SimpleKeyboardInstances'])
       window['SimpleKeyboardInstances'] = {};
       
-    window['SimpleKeyboardInstances'][Utilities.camelCase(this.keyboardDOMClass)] = this;
+    window['SimpleKeyboardInstances'][this.utilities.camelCase(this.keyboardDOMClass)] = this;
 
     /**
      * Physical Keyboard support
@@ -221,10 +226,9 @@ class SimpleKeyboard {
       /**
        * Iterating through each button in row
        */
-      rowArray.forEach((button) => {
-        let fctBtnClass = Utilities.getButtonClass(button);
+        let fctBtnClass = this.utilities.getButtonClass(button);
         let buttonThemeClass = buttonThemesParsed[button];
-        let buttonDisplayName = Utilities.getButtonDisplayName(button, this.options.display, this.options.mergeDisplay);
+        let buttonDisplayName = this.utilities.getButtonDisplayName(button, this.options.display, this.options.mergeDisplay);
 
         /**
          * Creating button
diff --git a/src/lib/services/Utilities.js b/src/lib/services/Utilities.js
index 05d4792f..d3ea71c2 100644
--- a/src/lib/services/Utilities.js
+++ b/src/lib/services/Utilities.js
@@ -48,7 +48,7 @@ class Utilities {
 
     let buttonNormalized =
       buttonTypeClass === "standardBtn" ?
-        Utilities.normalizeString(buttonWithoutBraces) : ` hg-button-${buttonWithoutBraces}`;
+        this.normalizeString(buttonWithoutBraces) : ` hg-button-${buttonWithoutBraces}`;
 
     return `hg-${buttonTypeClass}${buttonNormalized}`;
   }
@@ -119,9 +119,9 @@ class Utilities {
 
   static getButtonDisplayName = (button, display, mergeDisplay) => {
     if(mergeDisplay){
-      display = Object.assign({}, Utilities.getDefaultDiplay(), display);
+      display = Object.assign({}, this.getDefaultDiplay(), display);
     } else {
-      display = display || Utilities.getDefaultDiplay();
+      display = display || this.getDefaultDiplay();
     }
 
     return display[button] || button;