diff --git a/ci_tests/basic_postgres/values-postgis.yaml b/ci_tests/basic_postgres/values-postgis.yaml
index c1e520e58d35b137085ef314deb11cbb6c46d63d..b4a4a4a7355c4045a13e22ee8472d261a9de2f85 100644
--- a/ci_tests/basic_postgres/values-postgis.yaml
+++ b/ci_tests/basic_postgres/values-postgis.yaml
@@ -1,4 +1,4 @@
 persistence:
   enabled: false
-postgresqlConfiguration:
+postgresqlExtendedConf:
   sharedBuffers: "10MB"