diff --git a/bin/update-metadata.in b/bin/update-metadata.in
index ca4a6e0d2edfb5db45b40fac0efb3896fe890f2d..1ea68c86cb5d311c13978c1787a4cff1a1513c0f 100755
--- a/bin/update-metadata.in
+++ b/bin/update-metadata.in
@@ -50,6 +50,8 @@ $db->begin_work();
 
 AccountManager::Entity->delete_entities(all => 1);
 
+$db->dbh()->do('ALTER TABLE entities AUTO_INCREMENT = 1');
+
 my %seen;
 foreach my $id (split(/, */, $configuration->{groups}->{list})) {
     my $spec = $configuration->{$id};