diff --git a/CHANGES b/CHANGES
index 5b5b3ff9..254e3df3 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,8 +5,9 @@ LMDB 0.9.17 Release Engineering
 	Fix ITS#8237 regression from ITS#7589
 	Fix ITS#8221 MDB_PAGE_FULL on delete/rebalance
 	Fix ITS#8258 rebalance/split assert
-	Fix ITS#8264 cursor_del cursor tracking
 	Fix ITS#8263 cursor_put cursor tracking
+	Fix ITS#8264 cursor_del cursor tracking
+	Fix ITS#8299 mdb_del cursor tracking
 	Fix ITS#7771 fakepage cursor tracking
 	Fix ITS#7789 ensure mapsize >= pages in use
 	Fix ITS#7971 mdb_txn_renew0() new reader slots
diff --git a/mdb.c b/mdb.c
index 787fe6de..5f64aefe 100644
--- a/mdb.c
+++ b/mdb.c
@@ -7936,6 +7936,7 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
 		/* Adjust other cursors pointing to mp */
 		MDB_cursor *m2, *m3;
 		MDB_dbi dbi = csrc->mc_dbi;
+		unsigned top = csrc->mc_top;
 
 		for (m2 = csrc->mc_txn->mt_cursors[dbi]; m2; m2=m2->mc_next) {
 			if (csrc->mc_flags & C_SUB)
@@ -7944,9 +7945,10 @@ mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst)
 				m3 = m2;
 			if (m3 == csrc) continue;
 			if (m3->mc_snum < csrc->mc_snum) continue;
-			if (m3->mc_pg[csrc->mc_top] == psrc) {
-				m3->mc_pg[csrc->mc_top] = pdst;
-				m3->mc_ki[csrc->mc_top] += nkeys;
+			if (m3->mc_pg[top] == psrc) {
+				m3->mc_pg[top] = pdst;
+				m3->mc_ki[top] += nkeys;
+				m3->mc_ki[top-1] = cdst->mc_ki[top-1];
 			}
 		}
 	}