diff --git a/kern/include/prompt.h b/kern/include/prompt.h
new file mode 100644
index 0000000..9d08e91
--- /dev/null
+++ b/kern/include/prompt.h
@@ -0,0 +1,47 @@
+/*
+ * NO NOT MODIFY THIS FILE
+ *
+ * All the contents of this file are overwritten during automated
+ * testing. Please consider this before changing anything in this file.
+ */
+
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
+ *	The President and Fellows of Harvard College.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _PROMPT_H_
+#define _PROMPT_H_
+
+/*
+ * You can set a custom prompt here, but the default will be used during
+ * testing.
+ */
+
+#define KERNEL_PROMPT "OS/161 kernel [? for menu]: "
+
+#endif /* _PROMPT_H_ */
diff --git a/kern/main/menu.c b/kern/main/menu.c
index 89e3792..405dfd4 100644
--- a/kern/main/menu.c
+++ b/kern/main/menu.c
@@ -41,7 +41,7 @@
 #include <sfs.h>
 #include <syscall.h>
 #include <test.h>
-#include <overwrite.h>
+#include <prompt.h>
 #include "opt-sfs.h"
 #include "opt-net.h"