diff --git a/Sources/ewolOObject.cpp b/Sources/ewolOObject.cpp
index d81f7327..4dbbfdcc 100644
--- a/Sources/ewolOObject.cpp
+++ b/Sources/ewolOObject.cpp
@@ -46,6 +46,7 @@ void ewol::OObject2DColored::Draw(void)
 	glColorPointer(4, GL_FLOAT, 0, &m_coordColor[0] );
 	// Render : draw all of the triangles at once
 	glDrawArrays( GL_TRIANGLES, 0, m_coord.Size());
+	//glDrawElements( GL_TRIANGLES, 0, m_coord.Size());
 	//EWOL_DEBUG("Draw ..." << m_coord.Size()/3 << " triangle(s)");
 
 	// Disable Pointers
diff --git a/Sources/ewolWindows.cpp b/Sources/ewolWindows.cpp
index 452f5247..1a73cb33 100644
--- a/Sources/ewolWindows.cpp
+++ b/Sources/ewolWindows.cpp
@@ -55,6 +55,10 @@ void ewol::Windows::SysDraw(void)
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 	glTranslatef(0, 0, -5);
+	
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	
 
 
 	static bool initDone = false;