diff --git a/configs/apalis-tk1_defconfig b/configs/apalis-tk1_defconfig
index 7264aeeff4..10862e56e7 100644
--- a/configs/apalis-tk1_defconfig
+++ b/configs/apalis-tk1_defconfig
@@ -28,6 +28,7 @@ CONFIG_SPL_DM=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 # CONFIG_DM_MMC_OPS is not set
+CONFIG_TEGRA124_MMC_DISABLE_EXT_LOOPBACK=y
 CONFIG_E1000=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y