1 files changed, 3 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/interface/debugV.glsl b/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
index 2f64fdb7bc..cd3d090e52 100644
--- a/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/debugV.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
 
+uniform mat4 modelview_projection_matrix;
+
 attribute vec3 position;
 
 void main()
 {
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 }