diff --git a/circ/transferstoreceive.pl b/circ/transferstoreceive.pl
index 30bceaadda..b369822375 100755
--- a/circ/transferstoreceive.pl
+++ b/circ/transferstoreceive.pl
@@ -119,7 +119,7 @@ foreach my $br ( keys %$branches ) {
 
 $template->param(
     branchesloop => \@branchesloop,
-    show_date    => output_pref({ dt => dt_from_string, dateonly => 1 }),
+    show_date    => output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }),
 	TransfersMaxDaysWarning => C4::Context->preference('TransfersMaxDaysWarning'),
 	latetransfers => $latetransfers ? 1 : 0,
 );
diff --git a/circ/waitingreserves.pl b/circ/waitingreserves.pl
index a8d3fe4700..577a926ea2 100755
--- a/circ/waitingreserves.pl
+++ b/circ/waitingreserves.pl
@@ -157,7 +157,7 @@ $template->param(
     reservecount => $reservcount,
     overloop    => \@overloop,
     overcount   => $overcount,
-    show_date   => output_pref({ dt => dt_from_string, dateonly => 1 }),
+    show_date   => output_pref({ dt => dt_from_string, dateformat => 'iso', dateonly => 1 }),
     ReservesMaxPickUpDelay => C4::Context->preference('ReservesMaxPickUpDelay')
 );
 
diff --git a/members/printinvoice.pl b/members/printinvoice.pl
index 2175437e97..67bf11cbcf 100755
--- a/members/printinvoice.pl
+++ b/members/printinvoice.pl
@@ -89,7 +89,7 @@ for ( my $i = 0 ; $i < $numaccts ; $i++ ) {
     }
 
     my %row = (
-        'date'                    => output_pref({ dt => dt_from_string( $accts->[$i]{'date'}, 'iso' ), dateonly => 1 }),
+        'date'                    => output_pref({ dt => dt_from_string( $accts->[$i]{'date'} ), dateonly => 1 }),
         'amountcredit'            => $accts->[$i]{'amountcredit'},
         'amountoutstandingcredit' => $accts->[$i]{'amountoutstandingcredit'},
         'toggle'                  => $accts->[$i]{'toggle'},