diff --git a/tests/helpers/test_event.py b/tests/helpers/test_event.py
index 9436226b335..b88f716a8ec 100644
--- a/tests/helpers/test_event.py
+++ b/tests/helpers/test_event.py
@@ -1903,7 +1903,7 @@ async def test_track_template_result_with_wildcard(hass: HomeAssistant) -> None:
     template_complex_str = r"""
 
 {% for state in states %}
-  {% if state.entity_id | regex_match('.*\.office_') %}
+  {% if state.entity_id | regex_match('.*\\.office_') %}
     {{ state.entity_id }}={{ state.state }}
   {% endif %}
 {% endfor %}
diff --git a/tests/helpers/test_template.py b/tests/helpers/test_template.py
index 851ba7fb79b..9994f0cadc1 100644
--- a/tests/helpers/test_template.py
+++ b/tests/helpers/test_template.py
@@ -3437,7 +3437,7 @@ async def test_async_render_to_info_with_wildcard_matching_entity_id(
     template_complex_str = r"""
 
 {% for state in states.cover %}
-  {% if state.entity_id | regex_match('.*\.office_') %}
+  {% if state.entity_id | regex_match('.*\\.office_') %}
     {{ state.entity_id }}={{ state.state }}
   {% endif %}
 {% endfor %}