diff --git a/wetb/hawc2/at_time_file.py b/wetb/hawc2/at_time_file.py
index f42519d7a8b6b0fc22607a336f552de8df5f38d8..642225edc668e5292e63f7cefb38c4b14c36f41d 100644
--- a/wetb/hawc2/at_time_file.py
+++ b/wetb/hawc2/at_time_file.py
@@ -42,7 +42,7 @@ class AtTimeFile(object):
         for column, att_name in enumerate(self.attribute_names):
             setattr(self, att_name, func_factory(column))
 
-    def radius(self, radius=None):
+    def curved_radius(self, radius=None):
         """Radius of calculation point(s)
 
         Parameters