--- a/Make.proto	Sat Nov 01 00:34:30 2014 +0000
+++ b/Make.proto	Mon Nov 03 09:10:56 2014 +0000
@@ -71,7 +71,7 @@
 
 mcz: mc
 	$(TOP)/projects/smalltalk/smalltalk --eval "                            \
-		Smalltalk packagePath add:'$(TOP)' .                          \
+		Smalltalk packagePath add:'$(TOP)/..' .                       \
 		Smalltalk loadPackage:'stx:goodies/petitparser'.              \
 		(Smalltalk at: #'stx_goodies_petitparser') exportAsMczTo: 'mc'."