diff --git a/installer/data/mysql/atomicupdate/bug_36819.pl b/installer/data/mysql/atomicupdate/bug_36819.pl
new file mode 100755
index 0000000000..f002bf6c7b
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_36819.pl
@@ -0,0 +1,16 @@
+use Modern::Perl;
+use Koha::Installer::Output qw(say_warning say_failure say_success say_info);
+
+return {
+    bug_number  => "36819",
+    description => "Change barcode width value if it still has the wrong default value",
+    up          => sub {
+        my ($args) = @_;
+        my ( $dbh, $out ) = @$args{qw(dbh out)};
+
+        $dbh->do(q{UPDATE creator_layouts SET scale_width = '0.800000' WHERE scale_width = '0.080000';});
+
+        say $out "Changed the barcode width in patron card creator default layout to 80% if it was 8%";
+
+    },
+};