diff --git a/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml b/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
index 3633655a..98f1b060 100644
--- a/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
+++ b/charts/argo-workflows/templates/controller/workflow-controller-deployment.yaml
@@ -53,8 +53,8 @@ spec:
           - "--pod-workers"
           - {{ . | quote }}
           {{- end }}
-          {{- if .Values.controller.extraArgs }}
-          {{- toYaml .Values.controller.extraArgs | nindent 10 }}
+          {{- with .Values.controller.extraArgs }}
+            {{- toYaml . | nindent 10 }}
           {{- end }}
           securityContext:
             {{- toYaml .Values.controller.securityContext | nindent 12 }}