diff --git a/charts/argo-workflows/templates/server/server-deployment.yaml b/charts/argo-workflows/templates/server/server-deployment.yaml
index b2eb5b8a..21917c43 100644
--- a/charts/argo-workflows/templates/server/server-deployment.yaml
+++ b/charts/argo-workflows/templates/server/server-deployment.yaml
@@ -80,8 +80,8 @@ spec:
           {{- with .Values.server.volumeMounts }}
             {{- toYaml . | nindent 10}}
           {{- end }}
-        {{- if .Values.server.extraContainers }}
-        {{ toYaml .Values.server.extraContainers | nindent 8}}
+        {{- with .Values.server.extraContainers }}
+          {{- toYaml . | nindent 8 }}
         {{- end }}
       {{- with .Values.images.pullSecrets }}
       imagePullSecrets: