gistfile1.diff

diff --git a/src/couchdb/couch_db_updater.erl b/src/couchdb/couch_db_updater.erl
index f087970..f68f756 100644
--- a/src/couchdb/couch_db_updater.erl
+++ b/src/couchdb/couch_db_updater.erl
@@ -698,11 +698,11 @@ commit_data(Db, _) ->
         fsync_options = FsyncOptions,
         waiting_delayed_commit = Timer
     } = Db,
-    if is_reference(Timer) -> erlang:cancel_timer(Timer); true -> ok end,
     case db_to_header(Db, OldHeader) of
     OldHeader ->
         Db;
     Header ->
+        if is_reference(Timer) -> erlang:cancel_timer(Timer); true -> ok end,
         case lists:member(before_header, FsyncOptions) of
         true -> ok = couch_file:sync(Filepath);
         _    -> ok