Index: src/btree.c
==================================================================
--- src/btree.c
+++ src/btree.c
@@ -6784,11 +6784,11 @@
     r = cntNew[i-1] - 1;
     d = r + 1 - leafData;
     assert( d<nMaxCells );
     assert( r<nMaxCells );
     while( szRight==0 
-       || (!bBulk && szRight+szCell[d]+2<=szLeft-(szCell[r]+2)) 
+       || (!bBulk && szRight+szCell[d]+2<=szLeft-(szCell[r]+(i==k-1?0:2))) 
     ){
       szRight += szCell[d] + 2;
       szLeft -= szCell[r] + 2;
       cntNew[i-1]--;
       r = cntNew[i-1] - 1;