Index: src/vdbeaux.c
==================================================================
--- src/vdbeaux.c
+++ src/vdbeaux.c
@@ -3164,11 +3164,11 @@
   memset(&m, 0, sizeof(m));
   rc = sqlite3VdbeMemFromBtree(pC->pCursor, 0, (int)nCellKey, 1, &m);
   if( rc ){
     return rc;
   }
-  assert( pUnpacked->flags & UNPACKED_PREFIX_SEARCH );
+  assert( pUnpacked->flags & UNPACKED_PREFIX_MATCH );
   *res = sqlite3VdbeRecordCompare(m.n, m.z, pUnpacked);
   sqlite3VdbeMemRelease(&m);
   return SQLITE_OK;
 }