diff --git a/src/axes.jl b/src/axes.jl
index 4a797561..142ccedb 100644
--- a/src/axes.jl
+++ b/src/axes.jl
@@ -226,14 +226,10 @@ end
 
 
 function reset_extrema!(sp::Subplot)
-    # axis = sp[Symbol(asym,:axis)]
-    # axis[:extrema] = Extrema()
     for asym in (:x,:y,:z)
         sp[Symbol(asym,:axis)][:extrema] = Extrema()
     end
     for series in sp.series_list
-        @show series
-        # expand_extrema!(axis, series[asym])
         expand_extrema!(sp, series.d)
     end
 end
diff --git a/src/backends/plotlyjs.jl b/src/backends/plotlyjs.jl
index cebd6488..e35f7bd5 100644
--- a/src/backends/plotlyjs.jl
+++ b/src/backends/plotlyjs.jl
@@ -56,10 +56,15 @@ end
 
 function _series_updated(plt::Plot{PlotlyJSBackend}, series::Series)
     xsym, ysym = (ispolar(series) ? (:t,:r) : (:x,:y))
+    kw = KW(xsym => (series.d[:x],), ysym => (series.d[:y],))
+    z = series[:z]
+    if z != nothing
+        kw[:z] = (transpose_z(series, series[:z].surf, false),)
+    end
     PlotlyJS.restyle!(
         plt.o,
         findfirst(plt.series_list, series),
-        KW(xsym => (series.d[:x],), ysym => (series.d[:y],))
+        kw
     )
 end