diff --git a/pimd/Makefile.am b/pimd/Makefile.am
index c722b7e..57bd31a 100644
--- a/pimd/Makefile.am
+++ b/pimd/Makefile.am
@@ -53,7 +53,7 @@
 	pim_oil.c pim_zlookup.c pim_pim.c pim_tlv.c pim_neighbor.c \
 	pim_hello.c pim_ifchannel.c pim_join.c pim_assert.c \
 	pim_msg.c pim_upstream.c pim_rpf.c pim_rand.c pim_macro.c \
-	pim_igmp_join.c
+	pim_igmp_join.c pim_ssmpingd.c
 
 noinst_HEADERS = \
 	pimd.h pim_version.h pim_cmd.h pim_signals.h pim_iface.h \
@@ -62,7 +62,7 @@
 	pim_oil.h pim_zlookup.h pim_pim.h pim_tlv.h pim_neighbor.h \
 	pim_hello.h pim_ifchannel.h pim_join.h pim_assert.h \
 	pim_msg.h pim_upstream.h pim_rpf.h pim_rand.h pim_macro.h \
-	pim_igmp_join.h
+	pim_igmp_join.h pim_ssmpingd.h
 
 pimd_SOURCES = \
 	pim_main.c $(libpim_a_SOURCES)