diff --git a/C4/Members.pm b/C4/Members.pm
index d1546d9a46..70a85c3543 100644
--- a/C4/Members.pm
+++ b/C4/Members.pm
@@ -771,7 +771,7 @@ sub AddMember {
     $sth = $dbh->prepare("SELECT enrolmentfee FROM categories WHERE categorycode=?");
     $sth->execute($data{'categorycode'});
     my ($enrolmentfee) = $sth->fetchrow;
-    if ($enrolmentfee) {
+    if ($enrolmentfee && $enrolmentfee > 0) {
         # insert fee in patron debts
         manualinvoice($data{'borrowernumber'}, '', '', 'A', $enrolmentfee);
     }