diff --git a/conf/distro/mortsgna.conf b/conf/distro/mortsgna.conf
index 3c8df96..6159101 100644
--- a/conf/distro/mortsgna.conf
+++ b/conf/distro/mortsgna.conf
@@ -219,9 +219,7 @@ IMAGE_BOOT ?= "${IMAGE_INITSCRIPTS} \
 IMAGE_INSTALL += "${IMAGE_BOOT}"
 
 # some default locales
-IMAGE_LINGUAS ?= "de-de fr-fr en-gb es-es it-it"
-# ensure a default supported often
-IMAGE_LINGUAS_append = " en-us"
+IMAGE_LINGUAS_libc-glibc ?= "de-de fr-fr en-us en-gb es-es it-it"
 
 # there are important missing I bet
 IMAGE_LINGUAS_FULL ?= " \
diff --git a/recipes-image/allgui/allgui-full-image.bb b/recipes-image/allgui/allgui-full-image.bb
index 528054e..a34424a 100644
--- a/recipes-image/allgui/allgui-full-image.bb
+++ b/recipes-image/allgui/allgui-full-image.bb
@@ -15,4 +15,4 @@ IMAGE_INSTALL += " \
     xfce4-orageclock-plugin \
 "
 
-IMAGE_LINGUAS = "${IMAGE_LINGUAS_FULL}"
+IMAGE_LINGUAS_libc-glibc = "${IMAGE_LINGUAS_FULL}"
diff --git a/recipes-image/kde/kde-full-image.bb b/recipes-image/kde/kde-full-image.bb
index 68e1e66..a0991a2 100644
--- a/recipes-image/kde/kde-full-image.bb
+++ b/recipes-image/kde/kde-full-image.bb
@@ -7,4 +7,4 @@ IMAGE_INSTALL += " \
     packagegroup-gui-full \
 " 
 
-IMAGE_LINGUAS = "${IMAGE_LINGUAS_FULL}"
+IMAGE_LINGUAS_libc-glibc = "${IMAGE_LINGUAS_FULL}"
diff --git a/recipes-image/lxqt/lxqt-full-image.bb b/recipes-image/lxqt/lxqt-full-image.bb
index 692e178..4ea37a0 100644
--- a/recipes-image/lxqt/lxqt-full-image.bb
+++ b/recipes-image/lxqt/lxqt-full-image.bb
@@ -6,4 +6,4 @@ IMAGE_INSTALL += " \
     packagegroup-gui-full \
 "
 
-IMAGE_LINGUAS = "${IMAGE_LINGUAS_FULL}"
+IMAGE_LINGUAS_libc-glibc = "${IMAGE_LINGUAS_FULL}"