diff --git a/scripts/cbox-build.sh b/scripts/cbox-build.sh
index a0d6e50..d3c3023 100755
--- a/scripts/cbox-build.sh
+++ b/scripts/cbox-build.sh
@@ -51,7 +51,7 @@ if [ -e "$(get_config_file cbox-dev.conf)" ]
 IMAGE_DIR="$BUILD_DIR/image"
 IMAGEZ_DIR="$BUILD_DIR/image.z"
 IMAGEZ_FILE="${IMAGE_FILE/\.iso/_compressed.iso}"
-UNCOMPRESSED_ITEMS="_offline autorun.ini start.html"
+UNCOMPRESSED_ITEMS="_offline autorun.inf start.html"
 
 
 ####################### functions ######################
@@ -157,6 +157,9 @@ for a in $LOCALCONF_DIR $CUSTOM_CONFIGURE_DIR
 while [ $# -gt 0 ]
    do	case "$1" in
 	    dfsbuild )
+		# check if we are in ROOT_DIR - otherwise we will have problems with
+		# relative paths in dfs-box.conf
+		[ "$ROOT_DIR" -ef "$(pwd)" ] || error_die 1 "Sorry: you have to run $0 while you are in '$ROOT_DIR'!"
 		run_dfsbuild
 		;;
 	    config )