lua/gui/transient_message.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lua/gui/transient_message.lua b/lua/gui/transient_message.lua
index a4ec928..1ce4050 100644
--- a/lua/gui/transient_message.lua
+++ b/lua/gui/transient_message.lua
@@ -19,6 +19,11 @@ function wesnoth.wml_actions.transient_message(cfg)
 	if cfg.image ~= nil then
 		image_margin = 5
 	end
+
+	local caption_margin = 0
+	if cfg.caption ~= nil then
+		caption_margin = 5
+	end

 	local dd = {
 		maximum_width = 800,
@@ -39,7 +44,7 @@ function wesnoth.wml_actions.transient_message(cfg)
 					T.grid {
 						T.row {
 							T.column {
-								border = "all", border_size = 5,
+								border = "all", border_size = caption_margin,
 								vertical_alignment = "top",
 								horizontal_alignment = "left",
 								T.label {