diff --git a/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml b/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
index 43168536..7dee67e5 100644
--- a/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
+++ b/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
@@ -79,8 +79,8 @@ spec:
               containerPort: {{ .Values.controller.metricsConfig.port }}
             - containerPort: 6060
           livenessProbe: {{ .Values.controller.livenessProbe | toYaml | nindent 12 }}
-        {{- if .Values.controller.extraContainers }}
-        {{ toYaml .Values.controller.extraContainers | nindent 8}}
+        {{- with .Values.controller.extraContainers }}
+          {{- toYaml . | nindent 8 }}
         {{- end }}
       {{- with .Values.images.pullSecrets }}
       imagePullSecrets: