diff --git a/conservancy_beancount/reports/accrual.py b/conservancy_beancount/reports/accrual.py
index b116a99..59359c8 100644
--- a/conservancy_beancount/reports/accrual.py
+++ b/conservancy_beancount/reports/accrual.py
@@ -19,10 +19,10 @@ criteria::
     # Report all accruals with the invoice link Invoice980.pdf.
     accrual-report Invoice980.pdf
 
-By default, to stay fast, accrual-report only looks for postings from the
-beginning of the last fiscal year. You can search further back in history
-by passing the ``--since`` argument. The argument can be a fiscal year, or
-a negative number of how many years back to search::
+By default, to stay fast, accrual-report only looks at unaudited books. You
+can search further back in history by passing the ``--since`` argument. The
+argument can be a fiscal year, or a negative number of how many years back
+to search::
 
     # Search for accruals since 2016
     accrual-report --since 2016 [search terms …]
@@ -601,11 +601,11 @@ and `balance` any other time.
         '--since',
         metavar='YEAR',
         type=int,
-        default=-1,
+        default=0,
         help="""How far back to search the books for related transactions.
 You can either specify a fiscal year, or a negative offset from the current
-fiscal year, to start loading entries from. The default is -1 (start from the
-previous fiscal year).
+fiscal year, to start loading entries from. The default is to load the current,
+unaudited books.
 """)
     parser.add_argument(
         '--output-file', '-O',
@@ -650,10 +650,9 @@ def main(arglist: Optional[Sequence[str]]=None,
     books_loader = config.books_loader()
     if books_loader is None:
         entries, load_errors, _ = books.Loader.load_none(config.config_file_path())
-    elif args.report_type is ReportType.AGING:
-        entries, load_errors, _ = books_loader.load_all()
     else:
-        entries, load_errors, _ = books_loader.load_all(args.since)
+        load_since = None if args.report_type == ReportType.AGING else args.since
+        entries, load_errors, _ = books_loader.load_all(load_since)
     filters.remove_opening_balance_txn(entries)
     for error in load_errors:
         bc_printer.print_error(error, file=stderr)