diff --git a/src/backends/pgfplotsx.jl b/src/backends/pgfplotsx.jl
index 367f181a..cd97d191 100644
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@@ -614,6 +614,7 @@ end
 
 function pgfx_add_ribbons!( axis, series, segment_plot, series_func, series_index )
     ribbon_y = series[:ribbon]
+    @show ribbon_y
     opt = series.plotattributes
     if ribbon_y isa AVec
         ribbon_n = length(opt[:y]) ÷ length(ribbon_y)