diff --git a/attune/curve/_base.py b/attune/curve/_base.py
index 3137cfc..7a651b5 100644
--- a/attune/curve/_base.py
+++ b/attune/curve/_base.py
@@ -127,7 +127,9 @@ def __add__(self, other):
         return self_
 
     def __getitem__(self, key):
-        return self.dependents[key]
+        if key in self.dependents:
+            return self.dependents[key]
+        return self.subcurve[key]
 
     def __setitem__(self, key, value):
         value = copy_.deepcopy(value)