diff --git a/VERSION b/VERSION
index 461d2b6a..9abd9699 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.7.4-stable+timestamp.2013.10.21.21.29.21
+Version 2.7.4-stable+timestamp.2013.10.22.17.02.48
diff --git a/gluon/dal.py b/gluon/dal.py
index abca02e9..ca623c38 100644
--- a/gluon/dal.py
+++ b/gluon/dal.py
@@ -10412,9 +10412,9 @@ class Rows(object):
     def __or__(self,other):
         if self.colnames!=other.colnames:
             raise Exception('Cannot | incompatible Rows objects')
-        records = self.records
-        records += [record for record in other.records \
-                        if not record in records]
+        records = [record for record in other.records
+                   if not record in self.records]
+        records = self.records + records
         return Rows(self.db,records,self.colnames)
 
     def __nonzero__(self):