diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 02c73b7c..ea6b04bf 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -15,6 +15,10 @@ Change log
 - Improved node creation speed by skipping the storing of the traceback
 - :class:`spox.Var` objects may now be shallow copied. Deep copies are explicitly prohibited.
 
+**Bug fix**
+
+- Addresses node adaptation failure when referencing a non-input name from inside a subgraph by aborting opset adaptation.
+
 
 0.10.2 (2023-02-08)
 -------------------
diff --git a/src/spox/_adapt.py b/src/spox/_adapt.py
index ce65c2a9..42f8f514 100644
--- a/src/spox/_adapt.py
+++ b/src/spox/_adapt.py
@@ -5,6 +5,7 @@
 import onnx
 import onnx.version_converter
 
+from ._attributes import AttrGraph
 from ._inline import _Inline
 from ._internal_op import _InternalNode
 from ._node import Node
@@ -108,6 +109,8 @@ def adapt_best_effort(
         )
     if isinstance(node, _InternalNode) or len(protos) != 1:
         return None
+    if any(isinstance(attr, AttrGraph) for attr in node.attrs.get_fields().values()):
+        return None
     proto: onnx.NodeProto
     (proto,) = protos
     domain = proto.domain if proto.domain != "ai.onnx" else ""