diff --git a/usr/lib/archboot/installer/common.sh b/usr/lib/archboot/installer/common.sh
index bd998ca89..188eb32ac 100644
--- a/usr/lib/archboot/installer/common.sh
+++ b/usr/lib/archboot/installer/common.sh
@@ -30,7 +30,7 @@ fi
 _PACMAN="pacman --root ${_DESTDIR} --cachedir=${_DESTDIR}${_CACHEDIR} --noconfirm"
 
 _linux_firmware() {
-    _PACKAGES[@]="${_PACKAGES[@]// linux-firmware / }"
+    _PACKAGES="${_PACKAGES[@]//linux-firmware/}"
     #shellcheck disable=SC2013
     for i in $(choose 0 </proc/modules); do
         if modinfo "${i}" | rg -qw 'firmware:'; then
@@ -42,7 +42,7 @@ _linux_firmware() {
 
 _marvell_firmware() {
     _MARVELL=""
-    _PACKAGES[@]="${_PACKAGES[@]// linux-firmware-marvell / }"
+    _PACKAGES="${_PACKAGES[@]//linux-firmware-marvell/}"
     for i in $(fd -t f . /lib/modules/"${_RUNNING_KERNEL}" | rg -w 'wireless/marvell'); do
         _MARVELL="${_MARVELL} $(basename "${i}" | sd '.ko.*$' '')"
     done