diff --git a/apps/rebar/src/rebar_compiler_format.erl b/apps/rebar/src/rebar_compiler_format.erl
index 3f34cc6db..a8992a67b 100644
--- a/apps/rebar/src/rebar_compiler_format.erl
+++ b/apps/rebar/src/rebar_compiler_format.erl
@@ -15,11 +15,11 @@ format(Source, {Line, Column}, Extra, Desc, Config) ->
     case CompilerErrFmt == rich andalso find_line(Line, Source) of
         {ok, LnBin} ->
             LnPad = lists:duplicate(length(integer_to_list(Line)), " "),
-            Arrow = cf:format("~!R~ts~!!",["^--"]),
+            Arrow = cf:format("~!R~ts~!!",["╰──"]),
             ?FMT(" ~ts ┌─ ~ts:~n"
-                 " ~ts |~n"
-                  " ~w |  ~ts~n"
-                 " ~ts |  ~s~ts ~ts~ts~n~n",
+                 " ~ts │~n"
+                  " ~w │  ~ts~n"
+                 " ~ts │  ~s~ts ~ts~ts~n~n",
                  [LnPad, Source,
                   LnPad,
                   Line, colorize(LnBin, Column),
diff --git a/apps/rebar/test/rebar_compiler_format_SUITE.erl b/apps/rebar/test/rebar_compiler_format_SUITE.erl
index fe039e46a..e35f5b888 100644
--- a/apps/rebar/test/rebar_compiler_format_SUITE.erl
+++ b/apps/rebar/test/rebar_compiler_format_SUITE.erl
@@ -67,19 +67,19 @@ nocolor(Config) ->
     Path = ?config(file, Config),
     Conf = ?config(conf, Config),
     ?assertEqual("   ┌─ "++Path++":"++?EOL++
-                 "   |"++?EOL++
-                 " 1 |  -module(noline_end);"++?EOL++
-                 "   |                     ^-- => unexpected token: ;"++?EOL++?EOL,
+                 "   │"++?EOL++
+                 " 1 │  -module(noline_end);"++?EOL++
+                 "   │                     ╰── => unexpected token: ;"++?EOL++?EOL,
                  rebar_compiler_format:format(Path, {1,20}, "=> ", "unexpected token: ;", Conf)),
     ?assertEqual("    ┌─ "++Path++":"++?EOL++
-                 "    |"++?EOL++
-                 " 11 |  first character on line 11."++?EOL++
-                 "    |  ^-- some message"++?EOL++?EOL,
+                 "    │"++?EOL++
+                 " 11 │  first character on line 11."++?EOL++
+                 "    │  ╰── some message"++?EOL++?EOL,
                  rebar_compiler_format:format(Path, {11,1}, "", "some message", Conf)),
     ?assertEqual("     ┌─ "++Path++":"++?EOL++
-                 "     |"++?EOL++
-                 " 111 |  case X of ^whatever % on line 111"++?EOL++
-                 "     |            ^-- the character '^' is not expected here."++?EOL++?EOL,
+                 "     │"++?EOL++
+                 " 111 │  case X of ^whatever % on line 111"++?EOL++
+                 "     │            ╰── the character '^' is not expected here."++?EOL++?EOL,
                  rebar_compiler_format:format(Path, {111,11}, "", "the character '^' is not expected here.", Conf)),
     %% invalid cases fall back to minimal mode
     ?assertEqual(Path++":-23:-42: invalid ranges."++?EOL,