diff --git a/unittest.sh b/unittest.sh
index f88a20d9fb..e971d583ee 100755
--- a/unittest.sh
+++ b/unittest.sh
@@ -2,6 +2,8 @@
 
 set -xe
 
+make config.h CONFIG_WERROR=y
+
 make -C test/lib/nvme/unit CONFIG_WERROR=y
 
 test/lib/nvme/unit/nvme_c/nvme_ut