ipcam/config: fix schema validation

1 files changed, 1 insertions, 1 deletions

diff --git a/include/py/homekit/camera/config.py b/include/py/homekit/camera/config.py
index 331e595..0d4c747 100644
--- a/include/py/homekit/camera/config.py
+++ b/include/py/homekit/camera/config.py
@@ -65,7 +65,7 @@ class IpcamConfig(ConfigUnit):
             if 'ext_hdd' not in linux_box:
                 raise ValueError(f'cam-{n}: linux box {cam["server"]} must have ext_hdd defined')
             disk = cam['disk']-1
-            if disk < 0 or disk >= len(linux_box['ext_hdd']):
+            if disk < 1 or disk >= len(linux_box['ext_hdd']):
                 raise ValueError(f'cam-{n}: invalid disk index for linux box {cam["server"]}')
 
     @classmethod