diff --git a/cmd/Makefile b/cmd/Makefile
index 44db5f2..9a6790c 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -151,6 +151,7 @@
 obj-$(CONFIG_CMD_REMOTEPROC) += remoteproc.o
 obj-$(CONFIG_CMD_RNG) += rng.o
 obj-$(CONFIG_CMD_KASLRSEED) += kaslrseed.o
+obj-$(CONFIG_CMD_RKMTD) += rkmtd.o
 obj-$(CONFIG_CMD_ROCKUSB) += rockusb.o
 obj-$(CONFIG_CMD_RTC) += rtc.o
 obj-$(CONFIG_SANDBOX) += host.o