Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk
+++ Mk/bsd.port.mk
@@ -2589,12 +2589,12 @@
 .else
 
 VALID_CATEGORIES+= accessibility afterstep arabic archivers astro audio \
-	benchmarks biology cad chinese comms converters databases \
+	benchmarks biology cad chemistry chinese comms converters databases \
 	deskutils devel docs dns editors elisp emulators enlightenment finance french ftp \
 	games geography german gnome gnustep graphics hamradio haskell hebrew hungarian \
 	ipv6 irc japanese java kde ${_KDE_CATEGORIES_SUPPORTED} kld korean lang linux lisp \
 	mail mate math mbone misc multimedia net net-im net-mgmt net-p2p news \
-	palm parallel pear perl5 plan9 polish portuguese ports-mgmt \
+	palm parallel pear perl5 physics plan9 polish portuguese ports-mgmt \
 	print python ruby rubygems russian \
 	scheme science security shells spanish sysutils \
 	tcl textproc tk \