diff --git a/osc/core.py b/osc/core.py
index c56610d0..5e82c3ca 100644
--- a/osc/core.py
+++ b/osc/core.py
@@ -2741,7 +2741,7 @@ class Request:
     def to_xml(self):
         """serialize object to XML"""
         root = ET.Element('request')
-        if not self.reqid is None:
+        if self.reqid is not None:
             root.set('id', self.reqid)
         if self.creator is not None:
             root.set('creator', self.creator)