diff --git a/honeybee/model.py b/honeybee/model.py
index 92079b4f..b10be41e 100644
--- a/honeybee/model.py
+++ b/honeybee/model.py
@@ -2149,6 +2149,8 @@ def check_for_extension(self, extension_name='All',
         energy_extensions = ('energyplus', 'openstudio', 'designbuilder')
         if extension_name in energy_extensions:
             extension_name = 'energy'
+        elif extension_name == 'iesve':
+            extension_name = 'ies'
 
         # check the extension attributes
         assert self.tolerance != 0, \