diff --git a/pkgs/by-name/ac/acme-dns/package.nix b/pkgs/by-name/ac/acme-dns/package.nix
index 54b27bde9116..52531d21e63e 100644
--- a/pkgs/by-name/ac/acme-dns/package.nix
+++ b/pkgs/by-name/ac/acme-dns/package.nix
@@ -21,7 +21,7 @@ buildGoModule (finalAttrs: {
 
   postInstall = ''
     install -D -m0444 -t $out/lib/systemd/system ./acme-dns.service
-    substituteInPlace $out/lib/systemd/system/acme-dns.service --replace "/usr/local/bin/acme-dns" "$out/bin/acme-dns"
+    substituteInPlace $out/lib/systemd/system/acme-dns.service --replace-fail "/usr/local/bin/acme-dns" "$out/bin/acme-dns"
   '';
 
   passthru.tests = { inherit (nixosTests) acme-dns; };