diff --git a/3dprinter-octoprint/config.yaml b/3dprinter-octoprint/config.yaml
index f1e3f4d..a4a165f 100644
--- a/3dprinter-octoprint/config.yaml
+++ b/3dprinter-octoprint/config.yaml
@@ -30,6 +30,6 @@ options:
 schema:
     camera_url: "url?"
     mode: "list(normal|recovery|reverse_proxy_test|camera)?"
-    reverse_proxy: "string?"
+    reverse_proxy: "str?"
 tmpfs: true
 image: ghcr.io/fredrikbaberg/addon-3dprinter-octoprint-{arch}