diff --git a/arch/x86/configs/x86_64_cuttlefish_defconfig b/arch/x86/configs/x86_64_cuttlefish_defconfig
index a163ce6..2e32ccb 100644
--- a/arch/x86/configs/x86_64_cuttlefish_defconfig
+++ b/arch/x86/configs/x86_64_cuttlefish_defconfig
@@ -407,6 +407,7 @@
 CONFIG_USB_CONFIGFS_UEVENT=y
 CONFIG_USB_CONFIGFS_F_MIDI=y
 CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_TEST=y
 CONFIG_SW_SYNC=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y