diff --git a/AUTHORS.txt b/AUTHORS.txt
index 451918f..7dc7874 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -55,5 +55,6 @@ Tim Gates (@timgates42) <tim.gates@iress.com>
 Batuhan Taskaya (@isidentical) <isidentical@gmail.com>
 Jocelyn Boullier (@Kazy) <jocelyn@boullier.bzh>
 
+Rupayon Haldar (@rupayon123)
 
 Note: (@user) means a github user name.
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a4811fb..a82e996 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,9 @@ Changelog
 Unreleased
 ++++++++++
 
+- Avoid a normalizer crash for a standalone line continuation followed by a
+  comment, and keep indentation checks on the active continuation stack.
+
 0.8.7 (2026-05-02)
 ++++++++++++++++++
 
diff --git a/parso/python/pep8.py b/parso/python/pep8.py
index 47db445..dd7d017 100644
--- a/parso/python/pep8.py
+++ b/parso/python/pep8.py
@@ -430,7 +430,7 @@ def _visit_part(self, part, spacing, leaf):
             indentation = spacing.value
             if node.type == IndentationTypes.BACKSLASH \
                     and self._previous_part.type == 'newline':
-                self._indentation_tos = self._indentation_tos.parent
+                self._indentation_tos = node = node.parent
 
             if not self._check_tabs_spaces(spacing):
                 should_be_indentation = node.indentation
@@ -444,7 +444,8 @@ def _visit_part(self, part, spacing, leaf):
                         should_be_indentation = n.indentation
 
                         self._last_indentation_tos = n
-                        if n == node:
+                        # Prefix continuations may not be in the previous stack.
+                        if n == node or n.parent is None:
                             break
                         n = n.parent
 
diff --git a/test/test_pep8.py b/test/test_pep8.py
index 06cffb4..eb3990f 100644
--- a/test/test_pep8.py
+++ b/test/test_pep8.py
@@ -1,4 +1,5 @@
 import parso
+import pytest
 
 
 def issues(code):
@@ -40,3 +41,11 @@ def test_shebang():
     assert not issues('#!\n')
     assert not issues('#!/foo\n')
     assert not issues('#! python\n')
+
+
+@pytest.mark.parametrize("ending, expected_codes", [("", [292]), ("\n", [])])
+def test_comment_after_standalone_backslash(each_version, ending, expected_codes):
+    grammar = parso.load_grammar(version=each_version)
+    module = grammar.parse("\\\n#" + ending)
+    found = grammar._get_normalizer_issues(module)
+    assert [issue.code for issue in found] == expected_codes