diff --git a/src/mdbx.c b/src/mdbx.c
index 4ac5d340..9c3a73ec 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -9347,6 +9347,7 @@ static int mdbx_cursor_del0(MDBX_cursor *mc) {
   MDBX_cursor *m2, *m3;
   MDBX_dbi dbi = mc->mc_dbi;
 
+  mdbx_cassert(mc, IS_LEAF(mc->mc_pg[mc->mc_top]));
   ki = mc->mc_ki[mc->mc_top];
   mp = mc->mc_pg[mc->mc_top];
   mdbx_node_del(mc, mc->mc_db->md_xsize);
@@ -9355,9 +9356,9 @@ static int mdbx_cursor_del0(MDBX_cursor *mc) {
     /* Adjust other cursors pointing to mp */
     for (m2 = mc->mc_txn->mt_cursors[dbi]; m2; m2 = m2->mc_next) {
       m3 = (mc->mc_flags & C_SUB) ? &m2->mc_xcursor->mx_cursor : m2;
-      if (!(m2->mc_flags & m3->mc_flags & C_INITIALIZED))
+      if (m3 == mc || !(m2->mc_flags & m3->mc_flags & C_INITIALIZED))
         continue;
-      if (m3 == mc || m3->mc_snum < mc->mc_snum)
+      if (m3->mc_snum < mc->mc_snum)
         continue;
       if (m3->mc_pg[mc->mc_top] == mp) {
         if (m3->mc_ki[mc->mc_top] == ki) {
@@ -9388,32 +9389,35 @@ static int mdbx_cursor_del0(MDBX_cursor *mc) {
       return rc;
     }
 
+    ki = mc->mc_ki[mc->mc_top];
     mp = mc->mc_pg[mc->mc_top];
+    mdbx_cassert(mc, IS_LEAF(mc->mc_pg[mc->mc_top]));
     nkeys = NUMKEYS(mp);
     mdbx_cassert(mc, (mc->mc_db->md_entries > 0 && nkeys > 0) ||
                          ((mc->mc_flags & C_SUB) &&
                           mc->mc_db->md_entries == 0 && nkeys == 0));
 
-    /* Adjust other cursors pointing to mp */
-    for (m2 = mc->mc_txn->mt_cursors[dbi]; !rc && m2; m2 = m2->mc_next) {
+    /* Adjust THIS and other cursors pointing to mp */
+    for (m2 = mc->mc_txn->mt_cursors[dbi]; m2; m2 = m2->mc_next) {
       m3 = (mc->mc_flags & C_SUB) ? &m2->mc_xcursor->mx_cursor : m2;
-      if (!(m2->mc_flags & m3->mc_flags & C_INITIALIZED))
+      if (m3 == mc || !(m2->mc_flags & m3->mc_flags & C_INITIALIZED))
         continue;
       if (m3->mc_snum < mc->mc_snum)
         continue;
       if (m3->mc_pg[mc->mc_top] == mp) {
         /* if m3 points past last node in page, find next sibling */
-        if (m3->mc_ki[mc->mc_top] >= mc->mc_ki[mc->mc_top]) {
-          if (m3->mc_ki[mc->mc_top] >= nkeys) {
-            rc = mdbx_cursor_sibling(m3, 1);
-            if (rc == MDBX_NOTFOUND) {
-              m3->mc_flags |= C_EOF;
-              rc = MDBX_SUCCESS;
-              continue;
-            } else if (unlikely(rc != MDBX_SUCCESS))
-              break;
-          }
-          if (mc->mc_db->md_flags & MDBX_DUPSORT) {
+        if (m3->mc_ki[mc->mc_top] >= nkeys) {
+          rc = mdbx_cursor_sibling(m3, true);
+          if (rc == MDBX_NOTFOUND) {
+            m3->mc_flags |= C_EOF;
+            rc = MDBX_SUCCESS;
+            continue;
+          } else if (unlikely(rc != MDBX_SUCCESS))
+            break;
+        }
+        if (m3->mc_ki[mc->mc_top] >= ki || m3->mc_pg[mc->mc_top] != mp) {
+          if ((mc->mc_db->md_flags & MDBX_DUPSORT) != 0 &&
+              (m3->mc_flags & C_EOF) == 0) {
             MDBX_node *node =
                 NODEPTR(m3->mc_pg[m3->mc_top], m3->mc_ki[m3->mc_top]);
             /* If this node has dupdata, it may need to be reinited
@@ -9426,14 +9430,41 @@ static int mdbx_cursor_del0(MDBX_cursor *mc) {
                   m3->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(node);
               } else {
                 rc = mdbx_xcursor_init1(m3, node);
-                if (likely(rc == MDBX_SUCCESS))
-                  m3->mc_xcursor->mx_cursor.mc_flags |= C_DEL;
+                if (unlikely(rc != MDBX_SUCCESS))
+                  break;
+                m3->mc_xcursor->mx_cursor.mc_flags |= C_DEL;
               }
             }
           }
         }
       }
     }
+
+    if (mc->mc_ki[mc->mc_top] >= nkeys) {
+      rc = mdbx_cursor_sibling(mc, true);
+      if (rc == MDBX_NOTFOUND) {
+        mc->mc_flags |= C_EOF;
+        rc = MDBX_SUCCESS;
+      }
+    }
+    if ((mc->mc_db->md_flags & MDBX_DUPSORT) != 0 &&
+        (mc->mc_flags & C_EOF) == 0) {
+      MDBX_node *node = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]);
+      /* If this node has dupdata, it may need to be reinited
+       * because its data has moved.
+       * If the xcursor was not initd it must be reinited.
+       * Else if node points to a subDB, nothing is needed. */
+      if (node->mn_flags & F_DUPDATA) {
+        if (mc->mc_xcursor->mx_cursor.mc_flags & C_INITIALIZED) {
+          if (!(node->mn_flags & F_SUBDATA))
+            mc->mc_xcursor->mx_cursor.mc_pg[0] = NODEDATA(node);
+        } else {
+          rc = mdbx_xcursor_init1(mc, node);
+          if (likely(rc != MDBX_SUCCESS))
+            mc->mc_xcursor->mx_cursor.mc_flags |= C_DEL;
+        }
+      }
+    }
     mc->mc_flags |= C_DEL;
   }