diff --git a/makedist.inc.sh b/makedist.inc.sh
index b8c63fd..2478de7 100644
--- a/makedist.inc.sh
+++ b/makedist.inc.sh
@@ -97,6 +97,7 @@ if [ ! "$KERNEL_IGNORE" ]; then
 fi
 
 if [ "$APPLICATION_TARGET" ]; then
+   add_additional_defs_file /usr/share/openmamba/pkggroups.db
    for t in $APPLICATION_TARGET; do
       install_rpms_by_target "Installing $t application packages." "$t" "${RPMEXTRAARGS}"
    done