From 4632dbffeb5c8ac86e31c8daa2b241b8b2194d83 Mon Sep 17 00:00:00 2001
From: zhiyuanzhai <37478391+zhiyuanzhai@users.noreply.github.com>
Date: Mon, 2 May 2022 11:02:42 +0800
Subject: [PATCH] To fix #4183.

---
 src/backends/pgfplotsx.jl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/backends/pgfplotsx.jl b/src/backends/pgfplotsx.jl
index 24fd7822..537802e7 100644
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@@ -206,8 +206,8 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
 
             if hascolorbar(sp)
                 cticks = get_colorbar_ticks(sp)[2]
-                colorbar_style = PGFPlotsX.Options("ylabel" => sp[:colorbar_title])
                 if sp[:colorbar] === :top
+                    colorbar_style = PGFPlotsX.Options("xlabel" => sp[:colorbar_title])
                     push!(
                         colorbar_style,
                         "at" => string((0.5, 1.05)),
@@ -217,6 +217,7 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
                         "xticklabel style" => pgfx_get_colorbar_ticklabel_style(sp),
                     )
                 else
+                    colorbar_style = PGFPlotsX.Options("ylabel" => sp[:colorbar_title])
                     push!(
                         colorbar_style,
                         "ytick" => string("{", join(cticks, ","), "}"),