diff --git a/app/portal/onion.py b/app/portal/onion.py
index 037db8d..02b15d3 100644
--- a/app/portal/onion.py
+++ b/app/portal/onion.py
@@ -100,8 +100,9 @@ def onion_edit(onion_id: int) -> ResponseReturnValue:
             "tls_private_key",
             "tls_public_key"
         ]:
-            if form.__getattribute__(at).data is not None:
-                onion.__setattr__(at, form.__getattribute__(at).data.read())
+            if getattr(form, at).data is not None:
+                # Don't clear the key if no key is uploaded
+                setattr(onion, at, getattr(form, at).data.read())
         onion.updated = datetime.utcnow()
         try:
             db.session.commit()