diff --git a/vyper/cli/vyper_compile.py b/vyper/cli/vyper_compile.py
index 9099cef94c..82eba63f32 100755
--- a/vyper/cli/vyper_compile.py
+++ b/vyper/cli/vyper_compile.py
@@ -266,7 +266,7 @@ def compile_files(
 
         output = vyper.compile_code(
             file.source_code,
-            contract_name=str(file_path),
+            contract_name=str(file.path),
             source_id=file.source_id,
             input_bundle=input_bundle,
             output_formats=final_formats,
diff --git a/vyper/compiler/output.py b/vyper/compiler/output.py
index 26d5d1628c..23d79500eb 100644
--- a/vyper/compiler/output.py
+++ b/vyper/compiler/output.py
@@ -157,7 +157,7 @@ def build_method_identifiers_output(compiler_data: CompilerData) -> dict:
     module_t = compiler_data.vyper_module_folded._metadata["type"]
     functions = module_t.functions
 
-    return {k: hex(v) for func in functions for k, v in func.method_ids.items()}
+    return {k: hex(v) for func in functions for k, v in func._metadata["type"].method_ids.items()}
 
 
 def build_abi_output(compiler_data: CompilerData) -> list: