Index: src/where.c
==================================================================
--- src/where.c
+++ src/where.c
@@ -5203,10 +5203,11 @@
       if( pFrom->isOrdered==pWInfo->pOrderBy->nExpr ){
         pWInfo->eDistinct = WHERE_DISTINCT_ORDERED;
       }
     }else{
       pWInfo->nOBSat = pFrom->isOrdered;
+      if( pWInfo->nOBSat<0 ) pWInfo->nOBSat = 0;
       pWInfo->revMask = pFrom->revLoop;
     }
   }
   pWInfo->nRowOut = pFrom->nRow;