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-rw-r--r--lib/stdlib/src/sys.erl4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/stdlib/src/sys.erl b/lib/stdlib/src/sys.erl
index a6ecf03716..1003c7c02b 100644
--- a/lib/stdlib/src/sys.erl
+++ b/lib/stdlib/src/sys.erl
@@ -525,7 +525,7 @@ debug_cmd({log_to_file, false}, Debug) ->
{ok, NDebug};
debug_cmd({log_to_file, FileName}, Debug) ->
NDebug = close_log_file(Debug),
- case file:open(FileName, [write]) of
+ case file:open(FileName, [write,{encoding,utf8}]) of
{ok, Fd} ->
{ok, install_debug(log_to_file, Fd, NDebug)};
_Error ->
@@ -648,7 +648,7 @@ debug_options([{log, N} | T], Debug) when is_integer(N), N > 0 ->
debug_options([statistics | T], Debug) ->
debug_options(T, install_debug(statistics, init_stat(), Debug));
debug_options([{log_to_file, FileName} | T], Debug) ->
- case file:open(FileName, [write]) of
+ case file:open(FileName, [write,{encoding,utf8}]) of
{ok, Fd} ->
debug_options(T, install_debug(log_to_file, Fd, Debug));
_Error ->