diff --git a/prosemirror/model/from_dom.py b/prosemirror/model/from_dom.py
index 994a2e9..fa5696f 100644
--- a/prosemirror/model/from_dom.py
+++ b/prosemirror/model/from_dom.py
@@ -568,7 +568,7 @@ def add_text_node(self, dom_: DOMNode) -> None:
                     re.search(r"^[ \t\r\n\u000c]", value) is not None
                     and self.open == len(self.nodes) - 1
                 ):
-                    node_before = top.content[-1]
+                    node_before = top.content[-1] if top.content else None
                     dom_node_before = dom_.getprevious()
                     if (
                         node_before is None
diff --git a/tests/prosemirror_model/tests/test_dom.py b/tests/prosemirror_model/tests/test_dom.py
index c06b529..481ef6e 100644
--- a/tests/prosemirror_model/tests/test_dom.py
+++ b/tests/prosemirror_model/tests/test_dom.py
@@ -178,6 +178,25 @@ def test_html_is_escaped():
                 ],
             },
         ),
+        (
+            "Indented HTML",
+            """
+            <div>
+                <p>
+                    test
+                </p>
+            </div>
+            """,
+            {
+                "type": "doc",
+                "content": [
+                    {
+                        "type": "paragraph",
+                        "content": [{"type": "text", "text": "test"}],
+                    },
+                ],
+            },
+        ),
         (
             "Styled(marks) nodes pt1",
             """<div><p>test <strong>some bolded text</strong></p></div>""",