diff --git a/roles/postgres-exporter/templates/postgres-exporter.container.j2 b/roles/postgres-exporter/templates/postgres-exporter.container.j2
index 0a0a681..d106bd9 100644
--- a/roles/postgres-exporter/templates/postgres-exporter.container.j2
+++ b/roles/postgres-exporter/templates/postgres-exporter.container.j2
@@ -6,7 +6,7 @@ After=postgresql.service
 
 [Container]
 Image=quay.io/prometheuscommunity/postgres-exporter:v0.15.0
-Environment=DATA_SOURCE_URI='postgres-exporter@:5432/template1?host=/run/postgresql'
+Environment=DATA_SOURCE_URI='postgres-exporter@:5432/postgres?host=/run/postgresql'
 Mount=type=bind,source=/run/postgresql,target=/run/postgresql
 # container_t cannot access the PostgreSQL socket postgresql_var_run_t
 SecurityLabelDisable=true