diff --git a/composer/schema/grid/field.py b/composer/schema/grid/field.py
index c03ac55..9d11bfa 100644
--- a/composer/schema/grid/field.py
+++ b/composer/schema/grid/field.py
@@ -242,7 +242,8 @@ class KeyTableFieldInstance(RecordsFieldInstance):
         for k, v in value.items():
             row = [k]
             for idx, fi in enumerate(self.columnFieldInstances[1:]):
-                row.append(fi.display(v[idx]))
+                if idx < len(v):
+                    row.append(fi.display(v[idx]))
             rows.append(row)
         return dict(headers=headers, rows=rows)