diff --git a/charts/argocd-notifications/Chart.yaml b/charts/argocd-notifications/Chart.yaml
index 54ef9a84..43fc4848 100644
--- a/charts/argocd-notifications/Chart.yaml
+++ b/charts/argocd-notifications/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: 0.7.0
 description: A Helm chart for ArgoCD notifications, an add-on to ArgoCD.
 name: argocd-notifications
 type: application
-version: 1.0.4
+version: 1.0.5
 home: https://github.com/argoproj/argo-helm
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 keywords:
diff --git a/charts/argocd-notifications/templates/secret.yaml b/charts/argocd-notifications/templates/secret.yaml
index a5fc5527..359fcc7f 100644
--- a/charts/argocd-notifications/templates/secret.yaml
+++ b/charts/argocd-notifications/templates/secret.yaml
@@ -12,7 +12,7 @@ stringData:
     slack:
       token: {{ .Values.secret.notifiers.slack.token }}
       username: {{ .Values.secret.notifiers.slack.username }}
-      icon: {{ .Values.secret.notifiers.slack.icon }}
+      icon: {{ .Values.secret.notifiers.slack.icon | quote }}
       signingSecret: {{ .Values.secret.notifiers.slack.signingSecret }}
 {{- end }}
 {{- if .Values.secret.notifiers.grafana.enabled }}