diff --git a/ext b/ext
index 2c7c32c..100e4e2 100755
--- a/ext
+++ b/ext
@@ -20,6 +20,7 @@ ext() {
 			*.Z)		uncompress "$1";;
 			*.7z)		7z x "$1";;
 			*.7za)		7z x "$1";;
+			*.iso)		7z x "$1";;
 			*)		echo -e \
 			""$green"<${1:-"-"}>: Неизвестный формат архива";;
 		esac
diff --git a/pk b/pk
index da9e242..c8ff492 100755
--- a/pk
+++ b/pk
@@ -4,7 +4,7 @@
 case ${2:-tbz} in
 	tbz)	tar cjvf "$1.tar.bz2" "$1";;
 	tgz)	tar czvf "$1.tar.gz"  "$1";;
-	txz)	XZ_OPT=-9 tar cJvf "$1.tar.xz" "$1";;
+	txz)	XZ_OPT=-9 tar cJvf "$1.txz" "$1";;
 	tar)	tar cpvf "$1.tar"  "$1";;
 	bz2)	bzip "$1";;
 	gz)	gzip -c -9 -n "$1" > "$1.gz";;