diff --git a/tools/extract_configs.py b/tools/extract_configs.py
index 81f57625a..00ff3437b 100755
--- a/tools/extract_configs.py
+++ b/tools/extract_configs.py
@@ -241,6 +241,7 @@ def ValidateAttrs(config_name, config_attrs, file_path, linenum):
 
 for applicable, all_configs in chips_all_configs.items():
     all_defines = chips_all_defines[applicable]
+    resolved_defines = chips_resolved_defines[applicable]
     for config_name, config_obj in all_configs.items():
         file_path = os.path.join(scandir, config_obj['filename'])
         linenum = config_obj['line_number']