diff --git a/pkg/cluster/database.go b/pkg/cluster/database.go
index 24a7a0986757f790f9137a73a068af0842c22806..449f603371f142191f9af0d3c263f111367939ab 100644
--- a/pkg/cluster/database.go
+++ b/pkg/cluster/database.go
@@ -98,7 +98,7 @@ func (c *Cluster) pgConnectionString(dbname string) string {
 		dbname = "postgres"
 	}
 
-	return fmt.Sprintf("host='%s' dbname='%s' sslmode=require user='%s' password='%s' connect_timeout='%d' options='-c log_statement%30all'",
+	return fmt.Sprintf("host='%s' dbname='%s' sslmode=require user='%s' password='%s' connect_timeout='%d' options='-c log_statement%3Dall'",
 		fmt.Sprintf("%s.%s.svc.%s", c.Name, c.Namespace, c.OpConfig.ClusterDomain),
 		dbname,
 		c.systemUsers[constants.SuperuserKeyName].Name,