--- a/dmd2/src/phobos/my-freebsd.mak
+++ b/dmd2/src/phobos/my-freebsd.mak
@@ -135,9 +135,9 @@ MAIN = $(ROOT)/emptymain.d
 #        zlib) $(addprefix std/internal/math/, biguintcore biguintnoasm  \
 #        biguintx86 )
 STD_MODULES = $(addprefix std/, algorithm array base64 		\
-        bitmanip boxer compiler complex contracts container			\
+        bitmanip boxer compiler complex concurrency contracts container			\
         conv cpuid cstream ctype date datebase dateparse		\
-        demangle encoding file format functional getopt gregorian		\
+        demangle encoding exception file format functional getopt gregorian		\
         intrinsic json loader math md5 metastrings mmfile numeric		\
         outbuffer path perf process random range regex regexp signals	\
         socket socketstream stdint stdio stdiobase stream string		\