1 files changed, 1 insertions, 1 deletions

diff --git a/ymir.nix b/ymir.nix
index 30e85d98..e54b86c3 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -898,7 +898,7 @@ in rec {
     git -C /etc/nixos pull
     git -C /etc/nixos submodule update
   '';
-  systemd.services."nixos-upgrade".onFailure = "unit-status-mail@%n.service";
+  systemd.services."nixos-upgrade".onFailure = ["unit-status-mail@%n.service"];
 
   systemd.services."unit-status-mail@" = {
     scriptArgs = "%I %H %m %b";