diff --git a/src/ui/batch.lisp b/src/ui/batch.lisp
index 824b2a0..2c723d3 100644
--- a/src/ui/batch.lisp
+++ b/src/ui/batch.lisp
@@ -116,26 +116,26 @@
 (defun main (args)
   (let ((subcommand (first args))
         (subcommand-args (cdr args)))
-    (cond
-      ((probe-file subcommand)
-       ; execute default command for a file
-       (%perform-command :COMPLETE (list subcommand)))
-      ((or (not (scan "[a-zA-Z]+" subcommand))
-           (> (length subcommand) 9))
-       (%stdout "malformed command: ~A~%" subcommand)
-       (help))
-      (t
-       (handler-case
-            (let* ((command-name
-                     (intern (string-upcase subcommand)
-                             (find-package "KEYWORD")))
-                   (available-command
+    (handler-case
+        (cond
+          ((probe-file subcommand)
+           ; execute default command for a file
+           (%perform-command :COMPLETE (list subcommand)))
+          ((or (not (scan "[a-zA-Z]+" subcommand))
+               (> (length subcommand) 9))
+           (%stdout "malformed command: ~A~%" subcommand)
+           (help))
+          (t
+           (let* ((command-name
+                    (intern (string-upcase subcommand)
+                            (find-package "KEYWORD")))
+                  (available-command
                     (compute-applicable-methods
                       #'%perform-command
                       (list command-name subcommand-args))))
-              (if available-command
-                  (%perform-command command-name subcommand-args)
-                  (%stdout "unimplemented command: ~A~%" subcommand)))
-          (condition (con)
-            (%stdout "unhandled condition occurred: ~A~%quit~%" con)))))))
+             (if available-command
+                 (%perform-command command-name subcommand-args)
+                 (%stdout "unimplemented command: ~A~%" subcommand)))))
+      (condition (con)
+        (%stdout "unhandled condition occurred: ~A~%quit~%" con)))))