diff --git a/src/pyj/range_utils.pyj b/src/pyj/range_utils.pyj
index 5f6341cfd6..1217f3db9f 100644
--- a/src/pyj/range_utils.pyj
+++ b/src/pyj/range_utils.pyj
@@ -31,8 +31,9 @@ def text_nodes_in_range(r):
 def first_annot_in_range(r, annot_id_uuid_map):
     parent = r.commonAncestorContainer
     doc = parent.ownerDocument or document
+    is_full_tree = parent is doc.documentElement
+    in_range = not is_full_tree
     iterator = doc.createNodeIterator(parent)
-    in_range = False
     while True:
         node = iterator.nextNode()
         if not node:
@@ -44,7 +45,7 @@ def first_annot_in_range(r, annot_id_uuid_map):
                 annot_id = annot_id_uuid_map[node.dataset.calibreRangeWrapper]
                 if annot_id:
                     return annot_id
-            if node.isSameNode(r.endContainer):
+            if not is_full_tree and node.isSameNode(r.endContainer):
                 break
 
 
@@ -52,7 +53,8 @@ def all_annots_in_range(r, annot_id_uuid_map, ans):
     parent = r.commonAncestorContainer
     doc = parent.ownerDocument or document
     iterator = doc.createNodeIterator(parent)
-    in_range = False
+    is_full_tree = parent is doc.documentElement
+    in_range = not is_full_tree
     while True:
         node = iterator.nextNode()
         if not node:
@@ -64,7 +66,7 @@ def all_annots_in_range(r, annot_id_uuid_map, ans):
                 annot_id = annot_id_uuid_map[node.dataset.calibreRangeWrapper]
                 if annot_id:
                     ans.push(annot_id)
-            if node.isSameNode(r.endContainer):
+            if not is_full_tree and node.isSameNode(r.endContainer):
                 break
     return ans