diff --git a/runtime/tutor/Makefile b/runtime/tutor/Makefile
index 0562a7d..d195051 100644
--- a/runtime/tutor/Makefile
+++ b/runtime/tutor/Makefile
@@ -7,7 +7,8 @@
 
 all: tutor.ja.sjis tutor.ja.euc \
 	tutor.ko.euc \
-	tutor.ru tutor.ru.cp1251
+	tutor.ru tutor.ru.cp1251 \
+	tutor.gr tutor.gr.cp737
 
 tutor.ja.sjis: tutor.ja.utf-8
 	nkf -WXs tutor.ja.utf-8 > tutor.ja.sjis
@@ -23,3 +24,9 @@
 
 tutor.ru.cp1251: tutor.ru.utf-8
 	iconv -f UTF-8 -t cp1251 tutor.ru.utf-8 > tutor.ru.cp1251
+
+tutor.gr: tutor.gr.utf-8
+	iconv -f UTF-8 -t ISO-8859-7 tutor.gr.utf-8 > tutor.gr
+
+tutor.gr.cp737: tutor.gr.utf-8
+	iconv -f UTF-8 -t cp737 tutor.gr.utf-8 > tutor.gr.cp737