diff --git a/C4/SIP/ILS/Transaction/Checkin.pm b/C4/SIP/ILS/Transaction/Checkin.pm
index 65609c74f1..3dcbeb3750 100644
--- a/C4/SIP/ILS/Transaction/Checkin.pm
+++ b/C4/SIP/ILS/Transaction/Checkin.pm
@@ -261,7 +261,7 @@ sub _get_sort_bin {
         # Get the mapping and split on newlines
         my $raw_map = C4::Context->preference('SIP2SortBinMapping');
         return unless $raw_map;
-        @lines = split /[\r\n]+/, $raw_map;
+        @lines = split /\R/, $raw_map;
     }
 
     # Iterate over the mapping. The first hit wins.