Index: ext/fts5/fts5_main.c
==================================================================
--- ext/fts5/fts5_main.c
+++ ext/fts5/fts5_main.c
@@ -1203,10 +1203,17 @@
     ** fts5CursorFirstSorted() above.  */
     assert( pRowidEq==0 && pRowidLe==0 && pRowidGe==0 && pRank==0 );
     assert( nVal==0 && pMatch==0 && bOrderByRank==0 && bDesc==0 );
     assert( pCsr->iLastRowid==LARGEST_INT64 );
     assert( pCsr->iFirstRowid==SMALLEST_INT64 );
+    if( pTab->pSortCsr->bDesc ){
+      pCsr->iLastRowid = pTab->pSortCsr->iFirstRowid;
+      pCsr->iFirstRowid = pTab->pSortCsr->iLastRowid;
+    }else{
+      pCsr->iLastRowid = pTab->pSortCsr->iLastRowid;
+      pCsr->iFirstRowid = pTab->pSortCsr->iFirstRowid;
+    }
     pCsr->ePlan = FTS5_PLAN_SOURCE;
     pCsr->pExpr = pTab->pSortCsr->pExpr;
     rc = fts5CursorFirst(pTab, pCsr, bDesc);
   }else if( pMatch ){
     const char *zExpr = (const char*)sqlite3_value_text(apVal[0]);

Index: ext/fts5/test/fts5rank.test
==================================================================
--- ext/fts5/test/fts5rank.test
+++ ext/fts5/test/fts5rank.test
@@ -146,9 +146,21 @@
 
   SELECT * FROM VTest WHERE 
   VTest MATCH 'wrinkle in time OR a wrinkle in time' ORDER BY rank;
 } {{wrinkle in time} {Bill Smith}}
 
-
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 5.0 {
+  CREATE VIRTUAL TABLE ttt USING fts5(a);
+  WITH s(i) AS (
+    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
+  )
+  INSERT INTO ttt SELECT 'word ' || i FROM s;
+}
 
+do_execsql_test 5.1 {
+  SELECT rowid FROM ttt('word') WHERE rowid BETWEEN 30 AND 40 ORDER BY rank;
+} {30 31 32 33 34 35 36 37 38 39 40}
 
 finish_test
+