diff --git a/usr/share/archboot/installer/quickinst b/usr/share/archboot/installer/quickinst
index e38ea1a16..a3d43f896 100755
--- a/usr/share/archboot/installer/quickinst
+++ b/usr/share/archboot/installer/quickinst
@@ -61,6 +61,7 @@ pacman_conf() {
 [options]
 Architecture = auto
 SigLevel = PackageRequired
+CheckSpace
 CacheDir = ${DESTDIR}/var/cache/pacman/pkg
 CacheDir = /packages/core-$(uname -m)/pkg
 CacheDir = /packages/core-any/pkg
diff --git a/usr/share/archboot/installer/setup b/usr/share/archboot/installer/setup
index fcead3f54..df43f99fb 100755
--- a/usr/share/archboot/installer/setup
+++ b/usr/share/archboot/installer/setup
@@ -2714,6 +2714,7 @@ pacman_conf() {
 [options]
 Architecture = auto
 SigLevel = PackageRequired
+CheckSpace
 CacheDir = ${DESTDIR}/var/cache/pacman/pkg
 CacheDir = /packages/core-$(uname -m)/pkg
 CacheDir = /packages/core-any/pkg