diff --git a/pjsip/build/Makefile b/pjsip/build/Makefile
index d825db8..4a7c9a2 100644
--- a/pjsip/build/Makefile
+++ b/pjsip/build/Makefile
@@ -36,7 +36,7 @@
 #
 export PJSIP_SRCDIR = ../src/pjsip
 export PJSIP_OBJS += $(OS_OBJS) $(M_OBJS) $(CC_OBJS) $(HOST_OBJS) \
-		sip_config.o \
+		sip_config.o sip_multipart.o \
 		sip_errno.o sip_msg.o sip_parser.o sip_tel_uri.o sip_uri.o \
 		sip_endpoint.o sip_util.o sip_util_proxy.o \
 		sip_resolve.o sip_transport.o sip_transport_loop.o \
@@ -86,7 +86,7 @@
 #
 export TEST_SRCDIR = ../src/test
 export TEST_OBJS += dlg_core_test.o dns_test.o msg_err_test.o \
-		    msg_logger.o msg_test.o regc_test.o \
+		    msg_logger.o msg_test.o multipart_test.o regc_test.o \
 		    test.o transport_loop_test.o transport_tcp_test.o \
 		    transport_test.o transport_udp_test.o \
 		    tsx_basic_test.o tsx_bench.o tsx_uac_test.o \