diff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile
index e4b5761..af473ef 100644
--- a/drivers/tpm/Makefile
+++ b/drivers/tpm/Makefile
@@ -10,4 +10,5 @@
 obj-$(CONFIG_TPM_ST33ZP24_I2C) += tpm_tis_st33zp24_i2c.o
 obj-$(CONFIG_TPM_ST33ZP24_SPI) += tpm_tis_st33zp24_spi.o
 
+obj-$(CONFIG_TPM2_TIS_SANDBOX) += tpm2_tis_sandbox.o
 obj-$(CONFIG_TPM2_TIS_SPI) += tpm2_tis_spi.o