diff --git a/C4/ILSDI/Services.pm b/C4/ILSDI/Services.pm
index 52585ac2dd..76632283c6 100644
--- a/C4/ILSDI/Services.pm
+++ b/C4/ILSDI/Services.pm
@@ -956,8 +956,10 @@ sub _availability {
     my ($itemnumber) = @_;
     my $item = Koha::Items->find($itemnumber);
 
+    use Koha::I18N;
+
     unless ( $item ) {
-        return ( undef, 'unknown', 'Error: could not retrieve availability for this ID', undef );
+        return ( undef, __('unknown'), __('Error: could not retrieve availability for this ID'), undef );
     }
 
     my $biblionumber = $item->biblioitemnumber;
@@ -966,17 +968,17 @@ sub _availability {
     my $itemcallnumber = $item->itemcallnumber;
 
     if ( $item->notforloan ) {
-        return ( $biblionumber, 'not available', 'Not for loan', $location, $itemcallnumber );
+        return ( $biblionumber, __('not available'), __('Not for loan'), $location, $itemcallnumber );
     } elsif ( $item->onloan ) {
-        return ( $biblionumber, 'not available', 'Checked out', $location, $itemcallnumber );
+        return ( $biblionumber, __('not available'), __('Checked out'), $location, $itemcallnumber );
     } elsif ( $item->itemlost ) {
-        return ( $biblionumber, 'not available', 'Item lost', $location, $itemcallnumber );
+        return ( $biblionumber, __('not available'), __('Item lost'), $location, $itemcallnumber );
     } elsif ( $item->withdrawn ) {
-        return ( $biblionumber, 'not available', 'Item withdrawn', $location, $itemcallnumber );
+        return ( $biblionumber, __('not available'), __('Item withdrawn'), $location, $itemcallnumber );
     } elsif ( $item->damaged ) {
-        return ( $biblionumber, 'not available', 'Item damaged', $location, $itemcallnumber );
+        return ( $biblionumber, __('not available'), __('Item damaged'), $location, $itemcallnumber );
     } else {
-        return ( $biblionumber, 'available', undef, $location, $itemcallnumber );
+        return ( $biblionumber, __('available'), undef, $location, $itemcallnumber );
     }
 }
 
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
index 506617749e..5af7fdf14f 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
@@ -124,6 +124,8 @@
                                 </dd>
                                 <dt><strong>return_fmt</strong> (Optional)</dt>
                                 <dd>requests a particular format or set of formats in reporting availability</dd>
+                                <dt><strong>language (Optional)</strong></dt>
+                                <dd>requests a particular language for the output, default is the opac cookie language if set, the first language in opac language list or english</dd>
                             </dl>
 
                             <h3>Example call</h3>
diff --git a/opac/ilsdi.pl b/opac/ilsdi.pl
index 8613ac1267..5b105246fa 100755
--- a/opac/ilsdi.pl
+++ b/opac/ilsdi.pl
@@ -100,7 +100,7 @@ my %required = (
 # List of optional arguments
 my %optional = (
     'Describe'            => [],
-    'GetAvailability'     => [ 'return_type', 'return_fmt' ],
+    'GetAvailability'     => [ 'return_type', 'return_fmt', 'language' ],
     'GetRecords'          => ['schema'],
     'GetAuthorityRecords' => ['schema'],
     'LookupPatron'        => ['id_type'],