diff --git a/QtMeshViewer/Resources/vshader.glsl b/QtMeshViewer/Resources/vshader.glsl
index 17c8ae0..5282e7a 100644
--- a/QtMeshViewer/Resources/vshader.glsl
+++ b/QtMeshViewer/Resources/vshader.glsl
@@ -13,7 +13,7 @@ attribute vec2 a_texcoord;
 attribute vec3 a_normal;
 
 varying vec2 v_texcoord;
-varying vec4 v_position;
+varying vec3 v_position;
 varying vec3 v_normal;
 
 void main()
@@ -24,6 +24,6 @@ void main()
 	// Pass data to fragment shader
 	// Value will be automatically interpolated to fragments inside polygon faces
 	v_texcoord = a_texcoord;
-	v_position = a_position;
+	v_position = vec3(norm_matrix * m_matrix * a_position);
 	v_normal = a_normal;
 }