diff --git a/phosphor-ldap-mapper/Makefile.am b/phosphor-ldap-mapper/Makefile.am
index 4aeca7b..c2896ba 100644
--- a/phosphor-ldap-mapper/Makefile.am
+++ b/phosphor-ldap-mapper/Makefile.am
@@ -1,12 +1,14 @@
 sbin_PROGRAMS = phosphor-ldap-mapper
 
 noinst_HEADERS = ldap_mapper_mgr.hpp \
-                 ldap_mapper_entry.hpp
+                 ldap_mapper_entry.hpp \
+                 ldap_mapper_serialize.hpp
 
 phosphor_ldap_mapper_SOURCES = \
                 main.cpp \
                 ldap_mapper_mgr.cpp \
-                ldap_mapper_entry.cpp
+                ldap_mapper_entry.cpp \
+                ldap_mapper_serialize.cpp
 
 phosphor_ldap_mapper_LDFLAGS = $(SDBUSPLUS_LIBS) \
                                $(PHOSPHOR_DBUS_INTERFACES_LIBS) \