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-rw-r--r--src/str.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/str.erl b/src/str.erl
index 07a5d09d5..16f866972 100644
--- a/src/str.erl
+++ b/src/str.erl
@@ -286,7 +286,7 @@ suffix(B1, B2) ->
-spec format(io:format(), list()) -> binary().
format(Format, Args) ->
- iolist_to_binary(io_lib:format(Format, Args)).
+ unicode:characters_to_binary(io_lib:format(Format, Args)).
-spec sha(iodata()) -> binary().