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-rw-r--r--lib/stdlib/src/io_lib.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index 513d904c39..0f1f417d01 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -276,7 +276,7 @@ write_atom(Atom) ->
Chars = atom_to_list(Atom),
case quote_atom(Atom, Chars) of
true ->
- write_string(Chars, $'); %'
+ write_unicode_string(Chars, $'); %'
false ->
Chars
end.