diff --git a/flake.nix b/flake.nix
index 8cea3ba..32e59e0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -178,14 +178,22 @@
 
                   ExecStart = if cfg.useTmux then
                     pkgs.writeShellScript "iota-start" ''
-                      ${pkgs.tmux}/bin/tmux -S ${cfg.dataDir}/tmux.sock new-session -d -s iota \
-                        '${cfg.package}/bin/iota 2>&1 | ${pkgs.systemd}/bin/systemd-cat -t iota-daemon'
+                      ${pkgs.tmux}/bin/tmux -S ${cfg.dataDir}/tmux.sock new-session -d -s iota '
+                        ${cfg.package}/bin/iota 2>&1 | ${pkgs.coreutils}/bin/tee ${cfg.dataDir}/iota-output.log
+                        EXIT_CODE=$?
+                        echo ""
+                        echo "============================================"
+                        echo "Iota exited with code: $EXIT_CODE"
+                        echo "Output saved to: ${cfg.dataDir}/iota-output.log"
+                        echo "Press ENTER to close this session..."
+                        read -r
+                      '
                       while ${pkgs.tmux}/bin/tmux -S ${cfg.dataDir}/tmux.sock has-session -t iota 2>/dev/null; do
                         sleep 2
                       done
                     ''
                   else
-                    "${pkgs.systemd}/bin/systemd-cat -t iota-daemon ${cfg.package}/bin/iota";
+                    "${cfg.package}/bin/iota";
 
                   ExecStartPre = [
                     ("+" + pkgs.writeShellScript "iota-setup" ''