diff --git a/lib/tools/ascii b/lib/tools/ascii
index 74b7b65..a950e22 100644
--- a/lib/tools/ascii
+++ b/lib/tools/ascii
@@ -4,11 +4,12 @@ ascii() {
 	coproc toascii {
 		perl -e '
 			use utf8;
+			use Encode;
 			use Text::Unidecode;
 			use open qw(:std :utf8);
 			$| = 1;
 			while (<>) {
-				print(unidecode($_));
+				print(unidecode(encode("utf-8", $_)));
 			}'
 	}
 }