diff --git a/troubadix/standalone_plugins/deprecate_vts.py b/troubadix/standalone_plugins/deprecate_vts.py
index 2071dc7d..7aec7ae2 100644
--- a/troubadix/standalone_plugins/deprecate_vts.py
+++ b/troubadix/standalone_plugins/deprecate_vts.py
@@ -64,7 +64,7 @@ def update_summary(file: DeprecatedFile, deprecation_reason: str) -> str:
     return file.content
 
 
-def finalize_content(content: str) -> str:
+def _finalize_content(content: str) -> str:
     """Update the content field of the nasl script by adding the
     deprecated tag and removing the extra content."""
     content_to_keep = content.split("exit(0);")[0]