diff --git a/stable/stolon/Chart.yaml b/stable/stolon/Chart.yaml
index 7e4eb1f75e..50e22cd8b2 100644
--- a/stable/stolon/Chart.yaml
+++ b/stable/stolon/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: stolon
-version: 1.5.1
+version: 1.5.2
 appVersion: 0.13.0
 description: Stolon - PostgreSQL cloud native High Availability.
 home: https://github.com/sorintlab/stolon
diff --git a/stable/stolon/templates/hooks/update-cluster-spec-job.yaml b/stable/stolon/templates/hooks/update-cluster-spec-job.yaml
index ddef77c3e7..7306cd7653 100644
--- a/stable/stolon/templates/hooks/update-cluster-spec-job.yaml
+++ b/stable/stolon/templates/hooks/update-cluster-spec-job.yaml
@@ -42,5 +42,5 @@ spec:
             - --store-endpoints={{ .Values.store.endpoints }}
             {{- end }}
             - -p
-            - '{ {{- range $key, $value := .Values.clusterSpec }} {{ $key | quote }}: {{ if typeIs "string" $value }} {{ $value | quote }} {{ else }} {{ $value }} {{ end }}, {{- end }} {{ if .Values.tls.enabled }}"pgParameters": {{- $pgParameters := .Values.pgParameters -}}{{ $all := set $pgParameters "ssl" "on" }}{{ $all := set $all "ssl_cert_file" "/certs/serverCrt.crt" }} {{ $all := set $all "ssl_key_file" "/certs/serverKey.key" }}{{ $all := set $all "ssl_ca_file" "/certs/rootCa.crt" }}{{ toJson $all }} {{ else }}"pgParameters": {{- $pgParameters := .Values.pgParameters -}}{{ $all := set $pgParameters "ssl" nil }}{{ $all := set $all "ssl_cert_file" nil }} {{ $all := set $all "ssl_key_file" nil }}{{ $all := set $all "ssl_ca_file" "null" }}{{ toJson $all }}{{ end}}}'
+            - '{ {{- range $key, $value := .Values.clusterSpec }} {{ $key | quote }}: {{ if typeIs "string" $value }} {{ $value | quote }} {{ else }} {{ $value }} {{ end }}, {{- end }} {{ if .Values.tls.enabled }}"pgParameters": {{- $pgParameters := .Values.pgParameters -}}{{ $all := set $pgParameters "ssl" "on" }}{{ $all := set $all "ssl_cert_file" "/certs/serverCrt.crt" }} {{ $all := set $all "ssl_key_file" "/certs/serverKey.key" }}{{ $all := set $all "ssl_ca_file" "/certs/rootCa.crt" }}{{ toJson $all }} {{ else }}"pgParameters": {{- $pgParameters := .Values.pgParameters -}}{{ $all := set $pgParameters "ssl" "off" }}{{ $all := set $all "ssl_cert_file" nil }} {{ $all := set $all "ssl_key_file" nil }}{{ $all := set $all "ssl_ca_file" nil }}{{ toJson $all }}{{ end}}}'
 {{ end }}