diff --git a/Makefile.pre.in b/Makefile.pre.in
index 91bff4c1fd9..dd62c330f39 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -615,7 +615,7 @@ EXTRAPLATDIR= @EXTRAPLATDIR@
 MACHDEPS=	$(PLATDIR) $(EXTRAPLATDIR)
 XMLLIBSUBDIRS=  xml xml/dom xml/parsers xml/sax
 PLATMACDIRS= plat-mac plat-mac/Carbon plat-mac/lib-scriptpackages \
-	plat-mac/lib-scriptpackages/_BuiltinSuites \
+	plat-mac/lib-scriptpackages/_builtinSuites \
 	plat-mac/lib-scriptpackages/CodeWarrior \
 	plat-mac/lib-scriptpackages/Explorer \
 	plat-mac/lib-scriptpackages/Finder \