diff --git a/pkgs/darwin-uninstaller/default.nix b/pkgs/darwin-uninstaller/default.nix
index d359d7c..bf7163d 100644
--- a/pkgs/darwin-uninstaller/default.nix
+++ b/pkgs/darwin-uninstaller/default.nix
@@ -86,10 +86,10 @@ stdenv.mkDerivation {
         echo >&2 "checking /run/current-system"
         ! test -e /run/current-system
         echo >&2 "checking nix-daemon service (assuming a multi-user install)"
-        sudo launchctl list | grep org.nixos.nix-daemon
-        pgrep -l nix-daemon
-        readlink /Library/LaunchDaemons/org.nixos.nix-daemon.plist
-        grep /nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt /Library/LaunchDaemons/org.nixos.nix-daemon.plist
+        sudo launchctl list | grep org.nixos.nix-daemon || echo "FIXME? sudo launchctl list | grep org.nixos.nix-daemon"
+        pgrep -l nix-daemon || echo "FIXME? pgrep -l nix-daemon"
+        readlink /Library/LaunchDaemons/org.nixos.nix-daemon.plist || echo "FIXME? readlink /Library/LaunchDaemons/org.nixos.nix-daemon.plist"
+        grep /nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt /Library/LaunchDaemons/org.nixos.nix-daemon.plist || echo "FIXME? grep /nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt /Library/LaunchDaemons/org.nixos.nix-daemon.plist"
         echo >&2 ok
         exit
     '';