diff --git a/composer/schema/grid/field.py b/composer/schema/grid/field.py
index 95195f0..9c93d7a 100644
--- a/composer/schema/grid/field.py
+++ b/composer/schema/grid/field.py
@@ -128,7 +128,7 @@ class GridFieldInstance(ListFieldInstance):
 class RecordsFieldInstance(GridFieldInstance):
 
     def getRenderer(self, name):
-        return grid_macros.macros[name]
+        return grid_macros.macros.get(name)
 
     def marshall(self, value):
         result = []