diff --git a/configs/raspberrypi0w_defconfig b/configs/raspberrypi0w_defconfig
index dc7a234e4d..d723e93923 100644
--- a/configs/raspberrypi0w_defconfig
+++ b/configs/raspberrypi0w_defconfig
@@ -25,6 +25,7 @@ BR2_PACKAGE_HOST_MTOOLS=y
 # Filesystem / image
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypi0w/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi0w/post-image.sh"