diff --git a/extensions/superboogav2/api.py b/extensions/superboogav2/api.py
index 552c1c2c..99b0e749 100644
--- a/extensions/superboogav2/api.py
+++ b/extensions/superboogav2/api.py
@@ -107,7 +107,7 @@ class Handler(BaseHTTPRequestHandler):
 
             elif path in ['/api/v1/delete', '/api/delete']:
                 metadata = body.get('metadata')
-                if corpus is None:
+                if metadata is None:
                     self._send_412_error("Missing parameter 'metadata'")
                     return