diff --git a/test/env/Makefile b/test/env/Makefile
index 5c8eae3..9a98fd4 100644
--- a/test/env/Makefile
+++ b/test/env/Makefile
@@ -5,3 +5,4 @@
 obj-y += cmd_ut_env.o
 obj-y += attr.o
 obj-y += hashtable.o
+obj-$(CONFIG_ENV_IMPORT_FDT) += fdt.o