--- a/unix.c	2024-10-08 12:30:18.785111397 +0200
+++ b/unix.c	2024-10-08 12:32:09.580923368 +0200
@@ -165,7 +165,11 @@ pid_t invoke(copy_info_t *ui, command_in
         /* We could redirect them here.  This might be useful for VMS? */
         *(si->command_ptr) = cmd;
         si->invoke_args[0] = si->shell;
-        execve(si->shell, si->invoke_args, env);
+        if (execve(si->shell, si->invoke_args, env) != 0) {
+            fprintf (stderr, "Can't execute command: %s(%d)\n",
+                    STRERROR(errno), errno);
+            specinvoke_exit (1, si);
+        }
     } else { /* Parent */
         ui->pid = pid;
         fprintf (si->outfp,