@@ -, +, @@ --- C4/Letters.pm | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) --- a/C4/Letters.pm +++ a/C4/Letters.pm @@ -148,7 +148,7 @@ my %letter; sub getletter { my ( $module, $code, $branchcode ) = @_; - $branchcode |= ''; + $branchcode ||= ''; if ( C4::Context->preference('IndependantBranches') and $branchcode --