diff --git a/templates/nextcloud-onlyoffice-config.yaml b/templates/nextcloud-onlyoffice-config.yaml
index 2236d4de31b0d96ceeb639ed4e381cbd8e2eced7..88a6a3d78aae0db3f0d4a3d7ebaf3fa057c8a74f 100644
--- a/templates/nextcloud-onlyoffice-config.yaml
+++ b/templates/nextcloud-onlyoffice-config.yaml
@@ -99,7 +99,7 @@ data:
   config.json: |
     {
         "system":{
-            "trusted_proxies": "10.42.0.0/16",
+            "trusted_proxies": ["10.42.0.0/16"],
             "overwriteprotocol": "https",
             "appstoreenabled": false,
             "debug": {{ .Values.nextcloud.debug | quote }}