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-rw-r--r--src/rabbit_upgrade.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/rabbit_upgrade.erl b/src/rabbit_upgrade.erl
index 37bac90d37..481c53e725 100644
--- a/src/rabbit_upgrade.erl
+++ b/src/rabbit_upgrade.erl
@@ -125,7 +125,7 @@ apply_upgrades(Upgrades) ->
case file:read_file_info(LockFile) of
{error, enoent} ->
info("Upgrades: ~w to apply~n", [length(Upgrades)]),
- {ok, Lock} = file:open(LockFile, write),
+ {ok, Lock} = file:open(LockFile, [write]),
ok = file:close(Lock),
[apply_upgrade(Upgrade) || Upgrade <- Upgrades],
info("Upgrades: All applied~n", []),