diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
index 85b850ba5..cca0fa80f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
@@ -37,12 +37,12 @@ uniform sampler2D depthMap;
 
 uniform sampler2D diffuseRect;
 
-uniform vec2 kern_scale;
+uniform vec2 ssao_scale;
 
 void main() 
 {	
 	frag_color[0] = 1.0;
-	frag_color[1] = texture2D(diffuseRect,vary_fragcoord.xy * kern_scale).r; // Scales to handle lower-res ssao.
+	frag_color[1] = texture2D(diffuseRect,vary_fragcoord.xy * ssao_scale).r; // Scales to handle lower-res ssao.
 	frag_color[2] = 1.0;
 	frag_color[3] = 1.0;
 }