diff --git a/epaper-station/config.yaml b/epaper-station/config.yaml
index 66b7a57..dc919be 100644
--- a/epaper-station/config.yaml
+++ b/epaper-station/config.yaml
@@ -14,7 +14,7 @@ options:
   channel: 25
 schema:
   serial_port: str
-  channel: "int(11, 25)"
+  channel: "int(11,25)"
 stage: experimental
 url: https://github.com/jhbruhn/ZBS_Flasher
 hassio_api: true