diff --git a/indra/newview/app_settings/shaders/class1/post/exoVignetteF.glsl b/indra/newview/app_settings/shaders/class1/post/exoVignetteF.glsl
index 3fe95dadaf..b6624091f2 100644
--- a/indra/newview/app_settings/shaders/class1/post/exoVignetteF.glsl
+++ b/indra/newview/app_settings/shaders/class1/post/exoVignetteF.glsl
@@ -5,6 +5,8 @@
  ***********************************/
 #extension GL_ARB_texture_rectangle : enable
 
+/*[EXTRA_CODE_HERE]*/
+
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 frag_color;
 #else