diff --git a/src/tools/jam/jambase.c b/src/tools/jam/jambase.c
index c93ebe7679..4f8e0efc27 100644
--- a/src/tools/jam/jambase.c
+++ b/src/tools/jam/jambase.c
@@ -188,30 +188,38 @@ char *jambase[] = {
 "else if $(OS) = BEOS && $(METROWERKS)\n",
 "{\n",
 "AR		?= mwld -xml -o ;\n",
-"BINDIR		?= /boot/apps ;\n",
+"BINDIR		?= /boot/home/config/bin ;\n",
 "CC		?= mwcc ;\n",
 "CCFLAGS		?= -nosyspath ;\n",
 "C++		?= $(CC) ;\n",
 "C++FLAGS	?= -nosyspath ;\n",
+"CHMOD		?= chmod ;\n",
+"CHGRP		?= chgrp ;\n",
+"CHOWN		?= chown ;\n",
 "FORTRAN		?= \"\" ;\n",
-"LIBDIR		?= /boot/develop/libraries ;\n",
+"LIBDIR		?= /boot/home/config/lib ;\n",
 "LINK		?= mwld ;\n",
 "LINKFLAGS	?= \"\" ;\n",
-"MANDIR		?= /boot/documentation/\"Shell Tools\"/HTML ;\n",
+"MANDIR		?= /boot/home/config/man ;\n",
 "NOARSCAN	?= true ;\n",
 "STDHDRS		?= /boot/develop/headers/posix ;\n",
+"YACC		?= bison -y ;\n",
+"YACCGEN		?= .c ;\n",
+"YACCFILES	?= y.tab ;\n",
+"YACCFLAGS	?= -d ;\n",
 "}\n",
 "else if $(OS) = BEOS \n",
 "{\n",
-"BINDIR		?= /boot/apps ;\n",
+"BINDIR		?= /boot/home/config/bin ;\n",
 "CC		?= gcc ;\n",
 "C++		?= $(CC) ;\n",
 "CHMOD		?= chmod ;\n",
 "CHGRP		?= chgrp ;\n",
 "CHOWN		?= chown ;\n",
 "FORTRAN		?= \"\" ;\n",
-"LIBDIR		?= /boot/develop/libraries ;\n",
+"LIBDIR		?= /boot/home/config/lib ;\n",
 "LINK		?= gcc ;\n",
+"MANDIR		?= /boot/home/config/man ;\n",
 "NOARSCAN	?= true ;\n",
 "RANLIB		?= ranlib ;\n",
 "STDHDRS		?= /boot/develop/headers/posix ;\n",