diff --git a/configs/beaglebone_qt5_defconfig b/configs/beaglebone_qt5_defconfig
index 78dc109736..cdf8b96c15 100644
--- a/configs/beaglebone_qt5_defconfig
+++ b/configs/beaglebone_qt5_defconfig
@@ -26,6 +26,7 @@ BR2_PACKAGE_TI_SGX_KM=y
 BR2_PACKAGE_TI_SGX_UM=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_BLOCKS=126976
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y