diff --git a/pgbouncer/values.yaml b/pgbouncer/values.yaml
index f2d3631..616fe5b 100644
--- a/pgbouncer/values.yaml
+++ b/pgbouncer/values.yaml
@@ -13,6 +13,7 @@ pgbouncer: &pgbouncer_config
     pgbouncer:
       auth_type: scram-sha-256
       auth_query: SELECT uname, phash FROM user_lookup($1)
+      ignore_startup_parameters: extra_float_digits # unsupported jdbc extra_float_digits=2 argument
   pgbouncerExporter:
     enabled: false