diff --git a/asterix-aql/src/main/javacc/AQL.jj b/asterix-aql/src/main/javacc/AQL.jj
index 2cd38c6..ac4f527 100644
--- a/asterix-aql/src/main/javacc/AQL.jj
+++ b/asterix-aql/src/main/javacc/AQL.jj
@@ -2131,7 +2131,7 @@
            }
        )*            
     )?	
-    <WITH> withVar = VariableRef()
+    (<WITH>|<KEEPING>) withVar = VariableRef()
     {
       if(withVar.getIsNewVar()==true)
       	throw new ParseException("can't find variable " + withVar.getVar());
@@ -2281,6 +2281,7 @@
   | <UNION : "union">
   | <WHERE : "where">
   | <WITH : "with">
+  | <KEEPING : "keeping">
 }
 
 <DEFAULT,IN_DBL_BRACE>