diff --git a/C4/Serials.pm b/C4/Serials.pm
index 3fcbac6778..b4325c3f33 100644
--- a/C4/Serials.pm
+++ b/C4/Serials.pm
@@ -581,7 +581,7 @@ sub GetSubscriptions {
         my @sqlstrings;
         my @strings_to_search;
         @strings_to_search = map { "%$_%" } split( / /, $string );
-        foreach my $index qw(biblio.title subscription.callnumber subscription.location subscription.notes subscription.internalnotes) {
+        foreach my $index (qw(biblio.title subscription.callnumber subscription.location subscription.notes subscription.internalnotes)) {
             push @bind_params, @strings_to_search;
             my $tmpstring = "AND $index LIKE ? " x scalar(@strings_to_search);
             $debug && warn "$tmpstring";
@@ -594,7 +594,7 @@ sub GetSubscriptions {
         my @sqlstrings;
         my @strings_to_search;
         @strings_to_search = map { "%$_%" } split( / /, $issn );
-        foreach my $index qw(biblioitems.issn subscription.callnumber) {
+        foreach my $index ( qw(biblioitems.issn subscription.callnumber)) {
             push @bind_params, @strings_to_search;
             my $tmpstring = "OR $index LIKE ? " x scalar(@strings_to_search);
             $debug && warn "$tmpstring";