diff --git a/btgui/OpenGLWindow/SimpleOpenGL3App.cpp b/btgui/OpenGLWindow/SimpleOpenGL3App.cpp
index d360fd03f..383148501 100644
--- a/btgui/OpenGLWindow/SimpleOpenGL3App.cpp
+++ b/btgui/OpenGLWindow/SimpleOpenGL3App.cpp
@@ -48,13 +48,27 @@ struct SimpleInternalData
 
 static SimpleOpenGL3App* gApp=0;
 
-void SimpleResizeCallback( float width, float height)
+static void SimpleResizeCallback( float width, float height)
 {
 	gApp->m_instancingRenderer->resize(width,height);
 	gApp->m_primRenderer->setScreenSize(width,height);
 
 }
 
+static void SimpleKeyboardCallback(int key, int state)
+{
+    if (key==B3G_ESCAPE && gApp && gApp->m_window)
+    {
+        gApp->m_window->setRequestExit();
+    } else
+    {
+        b3DefaultKeyboardCallback(key,state);
+    }
+}
+
+
+
+
 static GLuint BindFont(const CTexFont *_Font)
 {
     GLuint TexID = 0;
@@ -135,8 +149,8 @@ SimpleOpenGL3App::SimpleOpenGL3App(	const char* title, int width,int height)
 
 	m_window->setMouseMoveCallback(b3DefaultMouseMoveCallback);
 	m_window->setMouseButtonCallback(b3DefaultMouseButtonCallback);
-	m_window->setKeyboardCallback(b3DefaultKeyboardCallback);
-	m_window->setWheelCallback(b3DefaultWheelCallback);
+    m_window->setKeyboardCallback(SimpleKeyboardCallback);
+    m_window->setWheelCallback(b3DefaultWheelCallback);
 	m_window->setResizeCallback(SimpleResizeCallback);
 
 	TwGenerateDefaultFonts();