diff --git a/Makefile b/Makefile
index 297d97c..3bf540c 100644
--- a/Makefile
+++ b/Makefile
@@ -790,7 +790,8 @@
        src/http.o src/hpack-dec.o src/action.o src/proto_udp.o src/http_acl.o \
        src/xxhash.o src/hpack-enc.o src/h2.o src/freq_ctr.o src/lru.o         \
        src/protocol.o src/arg.o src/hpack-huff.o src/hdr_idx.o src/base64.o   \
-       src/hash.o src/mailers.o src/activity.o src/http_msg.o src/version.o
+       src/hash.o src/mailers.o src/activity.o src/http_msg.o src/version.o   \
+       src/mworker.o
 
 EBTREE_OBJS = $(EBTREE_DIR)/ebtree.o $(EBTREE_DIR)/eb32sctree.o \
               $(EBTREE_DIR)/eb32tree.o $(EBTREE_DIR)/eb64tree.o \