diff --git a/test/Makefile.am b/test/Makefile.am
index f1d11d4..024fa25 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -33,6 +33,7 @@
 			$(top_builddir)/ipaddress.o \
 			$(top_builddir)/routing_table.o \
 			$(top_builddir)/util.o \
+			$(top_builddir)/timer.o \
 			$(top_builddir)/system_configuration.o \
 			$(top_builddir)/dhcp_configuration.o \
 			$(top_builddir)/config_parser.o \