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-rw-r--r--src/cowboy_http_req.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl
index 1ea656f..272c8a8 100644
--- a/src/cowboy_http_req.erl
+++ b/src/cowboy_http_req.erl
@@ -346,7 +346,7 @@ response_head(Code, Headers, DefaultHeaders) ->
Headers2 = [{header_to_binary(Key), Value} || {Key, Value} <- Headers],
Headers3 = lists:keysort(1, Headers2),
Headers4 = lists:ukeymerge(1, Headers3, DefaultHeaders),
- Headers5 = [<< Key/binary, ": ", Value/binary, "\r\n" >>
+ Headers5 = [[Key, <<": ">>, Value, <<"\r\n">>]
|| {Key, Value} <- Headers4],
[StatusLine, Headers5, <<"\r\n">>].