diff --git a/passes/techmap/Makefile.inc b/passes/techmap/Makefile.inc
index fb003103d..97d8b76f3 100644
--- a/passes/techmap/Makefile.inc
+++ b/passes/techmap/Makefile.inc
@@ -30,6 +30,9 @@ OBJS += passes/techmap/extract_reduce.o
 OBJS += passes/techmap/alumacc.o
 OBJS += passes/techmap/dffinit.o
 OBJS += passes/techmap/pmuxtree.o
+OBJS += passes/techmap/bmuxmap.o
+OBJS += passes/techmap/demuxmap.o
+OBJS += passes/techmap/bwmuxmap.o
 OBJS += passes/techmap/muxcover.o
 OBJS += passes/techmap/aigmap.o
 OBJS += passes/techmap/tribuf.o