diff --git a/circ/circulation.pl b/circ/circulation.pl
index 52871d12b9..22f0050a64 100755
--- a/circ/circulation.pl
+++ b/circ/circulation.pl
@@ -720,12 +720,20 @@ my $view =
 
 my @relatives;
 if ($patron) {
-    if ( my @guarantors = $patron->guarantor_relationships()->guarantors->as_list ) {
+    my @guarantors = $patron->guarantor_relationships()->guarantors->as_list;
+    if ( scalar @guarantors ) {
         push( @relatives, $_->id ) for @guarantors;
         push( @relatives, $_->id ) for $patron->siblings->as_list;
     } else {
         push( @relatives, $_->id ) for $patron->guarantee_relationships()->guarantees->as_list;
     }
+    if (    C4::Context->preference('ChildNeedsGuarantor')
+        and ( $patron->is_child or $patron->category->can_be_guarantee )
+        and $patron->contactname eq ""
+        and !@guarantors )
+    {
+        $template->param( missing_guarantor => 1 );
+    }
 }
 my $relatives_issues_count =
     Koha::Database->new()->schema()->resultset('Issue')->count( { borrowernumber => \@relatives } );
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/circulation.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/circulation.tt
index f6cddb1d60..1ca767f729 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/circulation.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/circulation.tt
@@ -134,6 +134,10 @@
         <div class="alert alert-warning">This is the anonymous patron, so circulation is disabled.</div>
     [% END %]
 
+    [% IF missing_guarantor %]
+        <div class="alert alert-warning">System preference 'ChildNeedsGuarantor' is enabled and this patron does not have a guarantor.</div>
+    [% END %]
+
     [% IF ( NEEDSCONFIRMATION ) %]
         <div id="circ_needsconfirmation" class="alert alert-warning audio-alert-action focus" tabindex="-1">
             [% IF CAN_user_circulate_force_checkout or ADDITIONAL_MATERIALS %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/moremember.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/moremember.tt
index 83f4b8893b..cdb10f8e48 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/moremember.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/moremember.tt
@@ -54,6 +54,10 @@
         <div class="alert alert-warning">This is the anonymous patron.</div>
     [% END %]
 
+    [% IF missing_guarantor %]
+        <div class="alert alert-warning">System preference 'ChildNeedsGuarantor' is enabled and this patron does not have a guarantor.</div>
+    [% END %]
+
     [% IF ( error ) %]
         <div class="alert alert-warning">
             [% IF ( error == 'CANT_DELETE_STAFF' ) %]
diff --git a/members/moremember.pl b/members/moremember.pl
index 49b87e97d6..d4ac893ffd 100755
--- a/members/moremember.pl
+++ b/members/moremember.pl
@@ -76,7 +76,8 @@ output_and_exit_if_error(
     { module => 'members', logged_in_user => $logged_in_user, current_patron => $patron }
 );
 
-my $category_type = $patron->category->category_type;
+my $category      = $patron->category;
+my $category_type = $category->category_type;
 
 for (qw(gonenoaddress lost borrowernotes is_debarred)) {
     $patron->$_ and $template->param( flagged => 1 ) and last;
@@ -112,6 +113,13 @@ $template->param(
     guarantor_relationships => $guarantor_relationships,
     guarantees              => \@guarantees,
 );
+if (    C4::Context->preference('ChildNeedsGuarantor')
+    and ( $patron->is_child or $category->can_be_guarantee )
+    and $patron->contactname eq ""
+    and !@guarantors )
+{
+    $template->param( missing_guarantor => 1 );
+}
 
 my $relatives_issues_count = Koha::Checkouts->count( { borrowernumber => \@relatives } );