diff --git a/README.md b/README.md
index 4e5c9cf..769c1a3 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ This repository contains the tools necessary for building Pop!\_OS ISOs.
 
 ## Requirements
 
+- At least 40 GiB of free disk space (the build process consumes ~34 GiB).
+
 First you need to import the Pop!\_OS ISO signing key:
 
 ```sh
diff --git a/mk/chroot.mk b/mk/chroot.mk
index c93558a..537f6e3 100644
--- a/mk/chroot.mk
+++ b/mk/chroot.mk
@@ -222,7 +222,7 @@ $(BUILD)/live: $(BUILD)/chroot
 	fi
 
 	# Rebuild initramfs with dracut's host-only mode disabled
-	if [ -e "$@.partial/usr/lib/dracut" ]; then \
+	if [ -x "$@.partial/usr/bin/dracut" ]; then \
 		sudo $(CHROOT) "$@.partial" /bin/bash -e -c 'dracut -v --no-hostonly --regenerate-all --force --add "bash dmsquash-live pop-installer" --filesystem "ext4 isofs squashfs vfat"'; \
 	fi