diff --git a/deploy/charts/trust-manager/templates/_helpers.tpl b/deploy/charts/trust-manager/templates/_helpers.tpl
index dbb75906..7407c446 100644
--- a/deploy/charts/trust-manager/templates/_helpers.tpl
+++ b/deploy/charts/trust-manager/templates/_helpers.tpl
@@ -13,6 +13,13 @@ Create chart name and version as used by the chart label.
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
 
+{{/*
+Get Values.app.trust.namespace as a templated value
+*/}}
+{{- define "trust-manager.trust.namespace" -}}
+{{- tpl .Values.app.trust.namespace . -}}
+{{- end -}}
+
 {{/*
 Common labels
 */}}
diff --git a/deploy/charts/trust-manager/templates/certificate.yaml b/deploy/charts/trust-manager/templates/certificate.yaml
index d038934a..69a18e75 100644
--- a/deploy/charts/trust-manager/templates/certificate.yaml
+++ b/deploy/charts/trust-manager/templates/certificate.yaml
@@ -87,7 +87,7 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: {{ .Values.app.webhook.tls.approverPolicy.certManagerServiceAccount }}
-  namespace: {{ .Values.app.webhook.tls.approverPolicy.certManagerNamespace }}
+  namespace: {{ tpl .Values.app.webhook.tls.approverPolicy.certManagerNamespace . }}
 
 {{ end }}
 
diff --git a/deploy/charts/trust-manager/templates/deployment.yaml b/deploy/charts/trust-manager/templates/deployment.yaml
index 27e742b1..8227a4a2 100644
--- a/deploy/charts/trust-manager/templates/deployment.yaml
+++ b/deploy/charts/trust-manager/templates/deployment.yaml
@@ -83,7 +83,7 @@ spec:
           - "--leader-election-lease-duration={{.Values.app.leaderElection.leaseDuration}}"
           - "--leader-election-renew-deadline={{.Values.app.leaderElection.renewDeadline}}"
             # trust
-          - "--trust-namespace={{.Values.app.trust.namespace}}"
+          - {{ printf "--trust-namespace=%s" (include "trust-manager.trust.namespace" .) | quote }}
             # webhook
           - "--webhook-host={{.Values.app.webhook.host}}"
           - "--webhook-port={{.Values.app.webhook.port}}"
diff --git a/deploy/charts/trust-manager/templates/role.yaml b/deploy/charts/trust-manager/templates/role.yaml
index 2ba9eb6b..e38cc05c 100644
--- a/deploy/charts/trust-manager/templates/role.yaml
+++ b/deploy/charts/trust-manager/templates/role.yaml
@@ -2,7 +2,7 @@ kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: {{ include "trust-manager.name" . }}
-  namespace: {{ .Values.app.trust.namespace }}
+  namespace: {{ include "trust-manager.trust.namespace" . }}
   labels:
     {{- include "trust-manager.labels" . | nindent 4 }}
 rules:
diff --git a/deploy/charts/trust-manager/templates/rolebinding.yaml b/deploy/charts/trust-manager/templates/rolebinding.yaml
index 7425ed08..34a8f3fc 100644
--- a/deploy/charts/trust-manager/templates/rolebinding.yaml
+++ b/deploy/charts/trust-manager/templates/rolebinding.yaml
@@ -2,7 +2,7 @@ kind: RoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: {{ include "trust-manager.name" . }}
-  namespace: {{ .Values.app.trust.namespace }}
+  namespace: {{ include "trust-manager.trust.namespace" . }}
   labels:
     {{- include "trust-manager.labels" . | nindent 4 }}
 roleRef: