diff --git a/charts/acl-api/Chart.yaml b/charts/acl-api/Chart.yaml
index f5b47a4..5439987 100644
--- a/charts/acl-api/Chart.yaml
+++ b/charts/acl-api/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: acl-api
 description: The API of Tsuru/ACL
 type: application
-version: 0.0.3
+version: 0.0.4
 appVersion: 0.1.7
diff --git a/charts/acl-api/templates/deployment.yaml b/charts/acl-api/templates/deployment.yaml
index 1e985b6..42f6bd8 100644
--- a/charts/acl-api/templates/deployment.yaml
+++ b/charts/acl-api/templates/deployment.yaml
@@ -82,9 +82,9 @@ spec:
             - name: PORT
               value: {{ .Values.api.port | quote }}
             - name: SYNC_DISABLED
-              value: {{ .Values.api.syncDisabled }}
+              value: "{{ .Values.api.syncDisabled }}"
             - name: SYNC_INTERVAL
-              value: {{ .Values.api.syncInterval }}
+              value: "{{ .Values.api.syncInterval }}"
           tty: true
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports: