diff --git a/charts/authelia/Chart.yaml b/charts/authelia/Chart.yaml
index 2e262a5..d7e5b1c 100644
--- a/charts/authelia/Chart.yaml
+++ b/charts/authelia/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: authelia
-version: 0.4.14
+version: 0.4.15
 kubeVersion: ">= 1.13.0-0"
 description: Authelia is a Single Sign-On Multi-Factor portal for web apps
 type: application
diff --git a/charts/authelia/templates/_helpers.tpl b/charts/authelia/templates/_helpers.tpl
index 0f21e22..8ee1bf3 100644
--- a/charts/authelia/templates/_helpers.tpl
+++ b/charts/authelia/templates/_helpers.tpl
@@ -5,7 +5,11 @@ Return the proper image name
     {{- $registryName := default "docker.io" .Values.image.registry -}}
     {{- $repositoryName := default "authelia/authelia" .Values.image.repository -}}
     {{- $tag := default .Chart.AppVersion .Values.image.tag | toString -}}
+    {{- if hasPrefix $tag "sha256:" }}
+    {{- printf "%s/%s@%s" $registryName $repositoryName $tag -}}
+    {{- else -}}
     {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
+    {{- end -}}
 {{- end -}}
 
 {{/*