diff --git a/indra/newview/app_settings/shaders/class1/environment/moonV.glsl b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
index 75ad251facb9588f0a26e8042ddf5aae8cc2152f..c00f202c23827d3027b3b5c08c0bb6cb0572c9ce 100644
--- a/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/moonV.glsl
@@ -26,6 +26,7 @@
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
 
 VARYING vec2 vary_texcoord0;