diff --git a/src/kontrol/solc_to_k.py b/src/kontrol/solc_to_k.py
index 2c8a34181..e3e981c16 100644
--- a/src/kontrol/solc_to_k.py
+++ b/src/kontrol/solc_to_k.py
@@ -857,7 +857,7 @@ def process_references(bytecode: dict, target_lib_refs: dict, update_link_ranges
                 msig = method_sig_from_abi(method)
                 method_selector: str = str(evm['methodIdentifiers'][msig])
                 mid = int(method_selector, 16)
-                method_ast = function_asts[method_selector] if method_selector in function_asts else None
+                method_ast = function_asts[method_selector] if method_selector in function_asts else {}
                 method_devdoc = devdoc.get(msig)
                 method_calls = find_function_calls(method_ast, self.fields)
                 _m = Contract.Method(