diff --git a/lib/gtk.js b/lib/gtk.js
index 698826e..d3ce170 100644
--- a/lib/gtk.js
+++ b/lib/gtk.js
@@ -167,8 +167,8 @@ var GTKExecCommand = function(command) {
     
     console.log(line);
 
-	GTKServer.StdIn.WriteLine(line);
-	return GTKServer.StdOut.ReadLine();
+    GTKServer.StdIn.WriteLine(line);
+    return GTKServer.StdOut.ReadLine();
 };
 
 // GTKInit
@@ -422,29 +422,29 @@ var GTKWait = function(callback) {
 
 // GladeXML
 var GladeXML = function() {
-	var xml;
+    var xml;
 
-	this.load = function(filename) {
-		xml = GTKExecCommand([
-			"glade_xml_new",
-			filename,
-			"NULL",
-			"NULL"
-		]);
-	};
+    this.load = function(filename) {
+        xml = GTKExecCommand([
+            "glade_xml_new",
+            filename,
+            "NULL",
+            "NULL"
+        ]);
+    };
 
-	this.findWidget = function(widgetName) {
-		var widgetId = GTKExecCommand([
-			"glade_xml_get_widget",
-			xml,
-			widgetName
-		]);
-		var widget = new GTKWidget({
-			widgetId: widgetId
-		});
-		widget.create();
-		return widget;
-	};
+    this.findWidget = function(widgetName) {
+        var widgetId = GTKExecCommand([
+            "glade_xml_get_widget",
+            xml,
+            widgetName
+        ]);
+        var widget = new GTKWidget({
+            widgetId: widgetId
+        });
+        widget.create();
+        return widget;
+    };
 };
 
 exports.Widget = GTKWidget;