diff --git a/build/Makefile b/build/Makefile
index 80168c7..c183a75 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -138,7 +138,7 @@ root usr protofs : init sh
 	@$(TREECOPY) ../fs/new/etc root
 	@$(TREECOPY) ../fs/usr .
 	@cp init root/etc/init
-	@cp sh root/bin/sh
+	@cp sh root/bin/xsh
 	@touch protofs
 
 # build filesystem images