diff --git a/opac/opac-memberentry.pl b/opac/opac-memberentry.pl
index 5a92243c67..eaf3792465 100755
--- a/opac/opac-memberentry.pl
+++ b/opac/opac-memberentry.pl
@@ -349,6 +349,7 @@ if ( $op eq 'cud-create' ) {
 
             Koha::Patron::Modifications->search( { borrowernumber => $borrowernumber } )->delete;
 
+            $borrower_changes{verification_token} = q{};    # prevent warn Missing value for PK column
             my $m = Koha::Patron::Modification->new( \%borrower_changes )->store();
 
             #Automatically approve patron profile changes if set in syspref