Index: src/vdbe.c
==================================================================
--- src/vdbe.c
+++ src/vdbe.c
@@ -3513,11 +3513,11 @@
       **     r.flags = UNPACKED_INCRKEY;
       **   }else{
       **     r.flags = 0;
       **   }
       */
-      r.flags = (u16)(UNPACKED_INCRKEY * (1 & (oc - OP_SeekLt)));
+      r.flags = (u8)(UNPACKED_INCRKEY * (1 & (oc - OP_SeekLt)));
       assert( oc!=OP_SeekGt || r.flags==UNPACKED_INCRKEY );
       assert( oc!=OP_SeekLe || r.flags==UNPACKED_INCRKEY );
       assert( oc!=OP_SeekGe || r.flags==0 );
       assert( oc!=OP_SeekLt || r.flags==0 );