diff --git a/meta-isar/conf/distro/raspios-trixie.conf b/meta-isar/conf/distro/raspios-trixie.conf
index 06deab85..77fbce8d 100644
--- a/meta-isar/conf/distro/raspios-trixie.conf
+++ b/meta-isar/conf/distro/raspios-trixie.conf
@@ -31,5 +31,3 @@ DISTRO_GCC = "14"
 DEBIAN_COMPAT = "13"
 
 DEBIAN_STANDARDS_VERSION ?= "4.7.2"
-
-IMAGE_PREINSTALL:append = " systemd-sysv"
diff --git a/meta-isar/conf/machine/rpi-common.conf b/meta-isar/conf/machine/rpi-common.conf
index 436bac51..d216df54 100644
--- a/meta-isar/conf/machine/rpi-common.conf
+++ b/meta-isar/conf/machine/rpi-common.conf
@@ -21,9 +21,9 @@ IMAGE_PREINSTALL += "raspberrypi-sys-mods \
                      systemd-sysv \
                      udev"
 
-IMAGE_PREINSTALL:bullseye += "raspberrypi-bootloader"
-IMAGE_PREINSTALL:bookworm += "raspberrypi-bootloader"
-IMAGE_PREINSTALL:trixie += "raspi-firmware"
+IMAGE_PREINSTALL:append:bullseye = " raspberrypi-bootloader"
+IMAGE_PREINSTALL:append:bookworm = " raspberrypi-bootloader"
+IMAGE_PREINSTALL:append:trixie = " raspi-firmware"
 
 IMAGE_INSTALL += "bootconfig-${MACHINE}"
 
@@ -33,9 +33,9 @@ IMAGER_INSTALL:wic += "parted \
                        e2fsprogs \
                        bmap-tools"
 
-IMAGER_INSTALL:bullseye:wic += "python3-distutils"
-IMAGER_INSTALL:bookworm:wic += "python3-distutils"
-IMAGER_INSTALL:trixie:wic += "python3-setuptools"
+IMAGER_INSTALL:append:bullseye:wic = " python3-distutils"
+IMAGER_INSTALL:append:bookworm:wic = " python3-distutils"
+IMAGER_INSTALL:append:trixie:wic = " python3-setuptools"
 
 IMAGE_BOOT_FILES ?= "${IMAGE_ROOTFS}/boot/*.*;./ \
                      ${IMAGE_ROOTFS}/boot/overlays/*;overlays/"