diff --git a/Makefile b/Makefile
index 965d89d..bb74710 100644
--- a/Makefile
+++ b/Makefile
@@ -923,7 +923,7 @@
        src/protocol.o src/lru.o src/hdr_idx.o src/hpack-huff.o          \
        src/mailers.o src/h2.o src/base64.o src/hash.o src/http.o	\
        src/http_acl.o src/http_fetch.o src/http_conv.o src/http_act.o   \
-       src/http_rules.o src/proto_sockpair.o
+       src/http_rules.o src/proto_sockpair.o src/proto_htx.o
 
 EBTREE_OBJS = $(EBTREE_DIR)/ebtree.o $(EBTREE_DIR)/eb32sctree.o \
               $(EBTREE_DIR)/eb32tree.o $(EBTREE_DIR)/eb64tree.o \