diff --git a/tools/converter.py b/tools/converter.py
index a98c304dc7acf1e026d198513e0e1429de3adc2a..d8dee7b30178fcab8f0cde99507599afa3f5357b 100644
--- a/tools/converter.py
+++ b/tools/converter.py
@@ -818,7 +818,7 @@ def convert_func(flags):
                         "%s/%s.data" % (model_codegen_dir, model_name),
                         model_config[YAMLKeyword.runtime],
                         model_codegen_dir,
-                        bool(model_config[YAMLKeyword.obfuscate]))
+                        bool(model_config.get(YAMLKeyword.obfuscate, 1)))
 
         if model_graph_format == ModelFormat.file:
             sh.mv("-f",