diff --git a/charts/ingress-nginx/Chart.yaml b/charts/ingress-nginx/Chart.yaml
index 0d2d64cb22..10b3098455 100644
--- a/charts/ingress-nginx/Chart.yaml
+++ b/charts/ingress-nginx/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ingress-nginx
-version: 2.9.0
+version: 2.9.1
 appVersion: 0.33.0
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer
diff --git a/charts/ingress-nginx/templates/controller-daemonset.yaml b/charts/ingress-nginx/templates/controller-daemonset.yaml
index 94195946b4..32c9762df0 100644
--- a/charts/ingress-nginx/templates/controller-daemonset.yaml
+++ b/charts/ingress-nginx/templates/controller-daemonset.yaml
@@ -51,8 +51,8 @@ spec:
     {{- if .Values.controller.sysctls }}
         sysctls:
     {{- range $sysctl, $value := .Values.controller.sysctls }}
-        - name: {{ $sysctl }}
-          value: {{ $value }}
+        - name: {{ $sysctl | quote }}
+          value: {{ $value | quote }}
     {{- end }}
     {{- end }}
       containers:
diff --git a/charts/ingress-nginx/templates/controller-deployment.yaml b/charts/ingress-nginx/templates/controller-deployment.yaml
index 271ef660f7..fa6686524b 100644
--- a/charts/ingress-nginx/templates/controller-deployment.yaml
+++ b/charts/ingress-nginx/templates/controller-deployment.yaml
@@ -55,8 +55,8 @@ spec:
     {{- if .Values.controller.sysctls }}
         sysctls:
     {{- range $sysctl, $value := .Values.controller.sysctls }}
-        - name: {{ $sysctl }}
-          value: {{ $value }}
+        - name: {{ $sysctl | quote }}
+          value: {{ $value | quote }}
     {{- end }}
     {{- end }}
       containers: