diff --git a/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend b/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
index 4956dd7..82705c4 100644
--- a/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
+++ b/meta-ibm/recipes-phosphor/ipmi/phosphor-ipmi-net_%.bbappend
@@ -1,11 +1,11 @@
 ALT_RMCPP_IFACE:mihawk = "eth1"
-SYSTEMD_SERVICE:${PN}:append:mihawk += " \
+SYSTEMD_SERVICE:${PN}:append:mihawk = " \
     ${PN}@${ALT_RMCPP_IFACE}.service \
     ${PN}@${ALT_RMCPP_IFACE}.socket \
     "
 
 ALT_RMCPP_IFACE:p10bmc = "eth1"
-SYSTEMD_SERVICE:${PN}:append:p10bmc += " \
+SYSTEMD_SERVICE:${PN}:append:p10bmc = " \
     ${PN}@${ALT_RMCPP_IFACE}.service \
     ${PN}@${ALT_RMCPP_IFACE}.socket \
     "
diff --git a/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend b/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
index f734bf5..8001095 100644
--- a/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
+++ b/meta-ibm/recipes-phosphor/leds/phosphor-led-manager_%.bbappend
@@ -1,9 +1,9 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 
-SYSTEMD_SERVICE:${PN}:append:p10bmc += "obmc-led-set-all-groups-asserted@.service obmc-led-create-virtual-leds@.service"
+SYSTEMD_SERVICE:${PN}:append:p10bmc = " obmc-led-set-all-groups-asserted@.service obmc-led-create-virtual-leds@.service"
 
 # Copies config file having arguments for led-set-all-groups-asserted.sh
-SYSTEMD_ENVIRONMENT_FILE:${PN}:append:p10bmc +="obmc/led/set-all/groups/config"
+SYSTEMD_ENVIRONMENT_FILE:${PN}:append:p10bmc =" obmc/led/set-all/groups/config"
 
 # Use the JSON configuration file at runtime than the static led.yaml
 # Also, enable Lamp Test and OperationalStatus monitor feature for
diff --git a/meta-ibm/recipes-phosphor/power/phosphor-power_%.bbappend b/meta-ibm/recipes-phosphor/power/phosphor-power_%.bbappend
index 17d25a1..245ab99 100644
--- a/meta-ibm/recipes-phosphor/power/phosphor-power_%.bbappend
+++ b/meta-ibm/recipes-phosphor/power/phosphor-power_%.bbappend
@@ -21,4 +21,4 @@
 FILES:${PN} += "${datadir}/phosphor-power/psu.json"
 
 PSU_MONITOR_ENV_FMT = "obmc/power-supply-monitor/power-supply-monitor-{0}.conf"
-SYSTEMD_ENVIRONMENT_FILE:${PN}-monitor:append:ibm-ac-server += "${@compose_list(d, 'PSU_MONITOR_ENV_FMT', 'OBMC_POWER_SUPPLY_INSTANCES')}"
+SYSTEMD_ENVIRONMENT_FILE:${PN}-monitor:append:ibm-ac-server = " ${@compose_list(d, 'PSU_MONITOR_ENV_FMT', 'OBMC_POWER_SUPPLY_INSTANCES')}"
diff --git a/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend b/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
index 83f87b1..577e200 100644
--- a/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
+++ b/meta-ibm/recipes-phosphor/sensors/phosphor-hwmon_%.bbappend
@@ -81,22 +81,22 @@
 
 ITEMSFMT = "ahb/apb/{0}.conf"
 ITEMS = "${@compose_list(d, 'ITEMSFMT', 'CHIPS')}"
-ITEMS:append:mihawk += " iio-hwmon-vdd0.conf"
-ITEMS:append:mihawk += " iio-hwmon-vdd1.conf"
-ITEMS:append:mihawk += " iio-hwmon-vcs0.conf"
-ITEMS:append:mihawk += " iio-hwmon-vcs1.conf"
-ITEMS:append:mihawk += " iio-hwmon-vdn0.conf"
-ITEMS:append:mihawk += " iio-hwmon-vdn1.conf"
-ITEMS:append:mihawk += " iio-hwmon-vio0.conf"
-ITEMS:append:mihawk += " iio-hwmon-vio1.conf"
-ITEMS:append:mihawk += " iio-hwmon-vddra.conf"
-ITEMS:append:mihawk += " iio-hwmon-vddrb.conf"
-ITEMS:append:mihawk += " iio-hwmon-vddrc.conf"
-ITEMS:append:mihawk += " iio-hwmon-vddrd.conf"
-ITEMS:append:mihawk += " iio-hwmon-12v.conf"
-ITEMS:append:mihawk += " iio-hwmon-5v.conf"
-ITEMS:append:mihawk += " iio-hwmon-3v.conf"
-ITEMS:append:mihawk += " iio-hwmon-battery.conf"
+ITEMS:append:mihawk = " iio-hwmon-vdd0.conf"
+ITEMS:append:mihawk = " iio-hwmon-vdd1.conf"
+ITEMS:append:mihawk = " iio-hwmon-vcs0.conf"
+ITEMS:append:mihawk = " iio-hwmon-vcs1.conf"
+ITEMS:append:mihawk = " iio-hwmon-vdn0.conf"
+ITEMS:append:mihawk = " iio-hwmon-vdn1.conf"
+ITEMS:append:mihawk = " iio-hwmon-vio0.conf"
+ITEMS:append:mihawk = " iio-hwmon-vio1.conf"
+ITEMS:append:mihawk = " iio-hwmon-vddra.conf"
+ITEMS:append:mihawk = " iio-hwmon-vddrb.conf"
+ITEMS:append:mihawk = " iio-hwmon-vddrc.conf"
+ITEMS:append:mihawk = " iio-hwmon-vddrd.conf"
+ITEMS:append:mihawk = " iio-hwmon-12v.conf"
+ITEMS:append:mihawk = " iio-hwmon-5v.conf"
+ITEMS:append:mihawk = " iio-hwmon-3v.conf"
+ITEMS:append:mihawk = " iio-hwmon-battery.conf"
 
 OCCS = " \
         00--00--00--06/sbefifo1-dev0/occ-hwmon.1 \