diff --git a/django/contrib/gis/db/backend/mysql/field.py b/django/contrib/gis/db/backend/mysql/field.py
index f3151f93ff..3ad9a1c761 100644
--- a/django/contrib/gis/db/backend/mysql/field.py
+++ b/django/contrib/gis/db/backend/mysql/field.py
@@ -29,7 +29,7 @@ class MySQLGeoField(Field):
               style.SQL_FIELD(qn(self.column)) + ');'
         return sql
 
-    def _post_create_sql(self, style, db_table):
+    def post_create_sql(self, style, db_table):
         """
         Returns SQL that will be executed after the model has been
         created.