diff --git a/fault/property.py b/fault/property.py
index 94a5a162..fe1dd96c 100644
--- a/fault/property.py
+++ b/fault/property.py
@@ -331,7 +331,7 @@ def __init__(self, arg):
     def __or__(self, other):
         if isinstance(other, Property):
             return other.__ror__(self)
-        return super().__or__(self)
+        return super().__or__(other)
 
 
 def not_(arg):