1 files changed, 4 insertions, 2 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
index 1fdb90f792..0d8dab0a41 100644
--- a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
@@ -24,7 +24,9 @@
  */
  
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
 #endif
 
 uniform sampler2D diffuseMap;
@@ -106,5 +108,5 @@ void main()
 		
 	vec4 fb = texture2D(screenTex, distort);
 	
-	gl_FragColor = applyWaterFog(fb,view.xyz);
+	frag_color = applyWaterFog(fb,view.xyz);
 }