diff --git a/Koha/SearchEngine/Elasticsearch/Search.pm b/Koha/SearchEngine/Elasticsearch/Search.pm
index 0a1bc7ccc9..be31f50712 100644
--- a/Koha/SearchEngine/Elasticsearch/Search.pm
+++ b/Koha/SearchEngine/Elasticsearch/Search.pm
@@ -492,6 +492,7 @@ sub _convert_facets {
         $limit = @{ $data->{buckets} } if ( $limit > @{ $data->{buckets} } );
         foreach my $term ( @{ $data->{buckets} }[ 0 .. $limit - 1 ] ) {
             my $t = $term->{key};
+            next unless $t; # FIXME Currently we cannot search for an empty faceted field i.e. ln:"" to find records missing languages, though ES does count them correctly
             my $c = $term->{doc_count};
             my $label;
             if ( exists( $special{$type} ) ) {