diff --git a/arch/x86/configs/x86_64_cuttlefish_defconfig b/arch/x86/configs/x86_64_cuttlefish_defconfig
index cc01102ad77a..c3ab808bb483 100644
--- a/arch/x86/configs/x86_64_cuttlefish_defconfig
+++ b/arch/x86/configs/x86_64_cuttlefish_defconfig
@@ -406,6 +406,7 @@ CONFIG_MMC=y
 # CONFIG_PWRSEQ_SIMPLE is not set
 # CONFIG_MMC_BLOCK is not set
 CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_TEST=y
 CONFIG_SW_SYNC=y
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y