diff --git a/tests/Makefile.am b/tests/Makefile.am
index db4e520..eaaa8df 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -240,7 +240,7 @@
 	     vty/ok_tabs_and_spaces.cfg \
 	     vty/ok_tabs.cfg \
 	     comp128/comp128_test.ok bits/bitfield_test.ok		\
-	     utils/utils_test.ok stats/stats_test.ok			\
+	     utils/utils_test.ok utils/utils_test.err stats/stats_test.ok \
 	     bitvec/bitvec_test.ok msgb/msgb_test.ok bits/bitcomp_test.ok \
 	     sim/sim_test.ok tlv/tlv_test.ok abis/abis_test.ok		\
 	     gsup/gsup_test.ok gsup/gsup_test.err			\
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 15a89b6..43b58e8 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -205,7 +205,8 @@
 AT_SETUP([utils])
 AT_KEYWORDS([utils])
 cat $abs_srcdir/utils/utils_test.ok > expout
-AT_CHECK([$abs_top_builddir/tests/utils/utils_test], [0], [expout], [ignore])
+cat $abs_srcdir/utils/utils_test.err > experr
+AT_CHECK([$abs_top_builddir/tests/utils/utils_test], [0], [expout], [experr])
 AT_CLEANUP
 
 AT_SETUP([stats])
diff --git a/tests/utils/utils_test.err b/tests/utils/utils_test.err
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/utils/utils_test.err