diff --git a/packages/scripts/avesta.sed b/packages/scripts/avesta.sed
index 726134d..7cedb1e 100755
--- a/packages/scripts/avesta.sed
+++ b/packages/scripts/avesta.sed
@@ -43,8 +43,8 @@ s/ń/𐬦/g
 s/ṇ/𐬧/g
 s/m/𐬨/g
 s/m̨/𐬩/g
-s/ẏ/𐬪/g
-s/y/𐬫/g
+s/ẏ/𐬫/g
+s/y/𐬪/g
 s/v/𐬬/g
 s/r/𐬭/g
 s/s/𐬯/g