diff --git a/airootfs/usr/bin/sysrescue-configuration.lua b/airootfs/usr/bin/sysrescue-configuration.lua
index 255ee9d..2518b1f 100755
--- a/airootfs/usr/bin/sysrescue-configuration.lua
+++ b/airootfs/usr/bin/sysrescue-configuration.lua
@@ -264,6 +264,8 @@ end
 
 cmdline_options = {
     ['copytoram'] = "global",
+    ['cow_label'] = "global",
+    ['cow_directory'] = "global",
     ['checksum'] = "global",
     ['loadsrm'] = "global",
     ['dostartx'] = "global",
diff --git a/patches/archiso-v43-07-yaml-config.patch b/patches/archiso-v43-07-yaml-config.patch
index e7d9adc..5fe1b4b 100644
--- a/patches/archiso-v43-07-yaml-config.patch
+++ b/patches/archiso-v43-07-yaml-config.patch
@@ -2,7 +2,7 @@ diff --git a/archiso/initcpio/hooks/archiso b/archiso/initcpio/hooks/archiso
 index 853652e..53215eb 100644
 --- a/archiso/initcpio/hooks/archiso
 +++ b/archiso/initcpio/hooks/archiso
-@@ -197,6 +197,39 @@ archiso_mount_handler() {
+@@ -197,6 +197,60 @@
          fi
      fi
  
@@ -39,6 +39,27 @@ index 853652e..53215eb 100644
 +        fi
 +    done
 +
++    # read string values set by YAML config, only handle non-empty strings
++    for curentry in "cow_label" "cow_directory"
++    do
++        if value=$(jq --raw-output ".global.${curentry} // empty | tostring" ${jsonconfig} 2>/dev/null)
++        then
++            if [[ -n "${value}" ]] ; then
++                eval "${curentry}='${value}'"
++            fi
++        fi
++    done
++
++    # redo handling of cow_label, it could have changed due to yaml config
++    if [[ -n "${cow_label}" ]]; then
++        cow_device="/dev/disk/by-label/${cow_label}"
++        [[ -z "${cow_persistent}" ]] && cow_persistent="P"
++    elif [[ -n "${cow_device}" ]]; then
++        [[ -z "${cow_persistent}" ]] && cow_persistent="P"
++    else
++        cow_persistent="N"
++    fi
++    
      if [[ "${checksum}" == "y" ]]; then
          if [[ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.sha512" ]]; then
              msg -n ":: Self-test requested, please wait..."