diff --git a/qubes/vm/qubesvm.py b/qubes/vm/qubesvm.py
index 1ba0ba32..ec9e9e00 100644
--- a/qubes/vm/qubesvm.py
+++ b/qubes/vm/qubesvm.py
@@ -57,6 +57,7 @@ except ImportError:
 
 def _setter_qid(self, prop, value):
     # pylint: disable=unused-argument
+    value = int(value)
     if not 0 <= value <= qubes.config.max_qid:
         raise ValueError(
             '{} value must be between 0 and qubes.config.max_qid'.format(