diff --git a/configuration.nix b/configuration.nix
index 04b9c62..2f9d34b 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -148,7 +148,7 @@
 
    # Scanner support
    hardware.sane.enable = true;
-   hardware.sane.ExtraBackends = [ pkgs.sane-airscan ];
+   hardware.sane.extraBackends = [ pkgs.sane-airscan ];
    services.ipp-usb.enable = true;
 
    system.activationScripts.diff = {