diff --git a/nixos/modules/services/matrix/continuwuity.nix b/nixos/modules/services/matrix/continuwuity.nix
index 5170011d3037..c76b55ed5a2e 100644
--- a/nixos/modules/services/matrix/continuwuity.nix
+++ b/nixos/modules/services/matrix/continuwuity.nix
@@ -210,7 +210,7 @@ in
       wants = [ "network-online.target" ];
       after = [ "network-online.target" ];
       environment = lib.mkMerge [
-        { CONDUWUIT_CONFIG = configFile; }
+        { CONTINUWUITY_CONFIG = configFile; }
         cfg.extraEnvironment
       ];
       startLimitBurst = 5;