diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index 20294d0c3..9ba977f22 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -170,7 +170,7 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 	static const unsigned int indices_per_quad = 6;
 
 	static const LLCachedControl<bool> render_transparent_water("RenderTransparentWater",false);
-	const S32 size = (render_transparent_water && !LLGLSLShader::sNoFixedFunction) ? 16 : 1;
+	const S32 size = (render_transparent_water && LLGLSLShader::sNoFixedFunction) ? 16 : 1;
 	const S32 num_quads = size * size;
 	face->setSize(vertices_per_quad * num_quads,
 				  indices_per_quad * num_quads);