diff --git a/arrow/locales.py b/arrow/locales.py
index c5996e4f..d29d9f45 100644
--- a/arrow/locales.py
+++ b/arrow/locales.py
@@ -697,7 +697,7 @@ class GreekLocale(Locale):
         "Φεβ",
         "Μαρ",
         "Απρ",
-        "Μαϊ",
+        "Μαΐ",
         "Ιον",
         "Ιολ",
         "Αυγ",