diff --git a/charts/argocd-image-updater/README.md b/charts/argocd-image-updater/README.md
index d3440dd6..a3c97ced 100644
--- a/charts/argocd-image-updater/README.md
+++ b/charts/argocd-image-updater/README.md
@@ -67,6 +67,7 @@ The `config.registries` value can be used exactly as it looks in the documentati
 | config.logLevel | string | `"info"` | ArgoCD Image Update log level |
 | config.registries | list | `[]` | ArgoCD Image Updater registries list configuration. More information [here](https://argocd-image-updater.readthedocs.io/en/stable/configuration/registries/) |
 | extraArgs | list | `[]` | Extra arguments for argocd-image-updater not defined in config.argocd |
+| extraEnv | list | `[]` | Extra environment variables for argocd-image-updater |
 | fullnameOverride | string | `""` | Global fullname (argocd-image-updater.fullname in _helpers.tpl) override |
 | image.pullPolicy | string | `"Always"` | Default image pull policy |
 | image.repository | string | `"argoprojlabs/argocd-image-updater"` | Default image repository |
diff --git a/charts/argocd-image-updater/templates/deployment.yaml b/charts/argocd-image-updater/templates/deployment.yaml
index bc473e93..16c17465 100644
--- a/charts/argocd-image-updater/templates/deployment.yaml
+++ b/charts/argocd-image-updater/templates/deployment.yaml
@@ -51,11 +51,8 @@ spec:
                 optional: true
           - name: IMAGE_UPDATER_LOGLEVEL
             value: {{ .Values.config.logLevel }}
-          {{- if .Values.config.customEnvVariables }}
-          {{- range $key, $value := .Values.config.customEnvVariables }}
-          - name: {{ $key }}
-            value: {{ $value | quote }}
-          {{- end }}
+          {{- with .Values.extraEnv }}
+            {{- toYaml . | nindent 10 }}
           {{- end }}
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}
diff --git a/charts/argocd-image-updater/values.yaml b/charts/argocd-image-updater/values.yaml
index 1723adc6..c6bbf4d4 100644
--- a/charts/argocd-image-updater/values.yaml
+++ b/charts/argocd-image-updater/values.yaml
@@ -27,6 +27,11 @@ extraArgs: []
   # - --once
   # - --registries-conf-path /app/config/registries.conf
 
+# -- Extra environment variables for argocd-image-updater
+extraEnv: []
+  # - name: AWS_REGION
+  #   value: "us-west-1"
+
 config:
   # Described in detail here https://argocd-image-updater.readthedocs.io/en/stable/install/running/#flags
   argocd:
@@ -39,10 +44,6 @@ config:
     # -- If specified, use an unencrypted HTTP connection to the ArgoCD API instead of TLS.
     plaintext: false
 
-  customEnvVariables:
-    # Add some custom variables e.g. set AWS region during retrieve the ECR token
-    # AWS_REGION: us-west-1
-
   # -- ArgoCD Image Update log level
   logLevel: "info"