diff --git a/src/djlint/settings.py b/src/djlint/settings.py
index 6c4c66d..aedd156 100644
--- a/src/djlint/settings.py
+++ b/src/djlint/settings.py
@@ -627,8 +627,8 @@ class Config:
             | (?:[^\s]+?=(?:\".*?\"|\'.*?\'))
             | required
             | checked
-            | [\w|-]+
-            | [\w|-]+=[\w|-]+
+            | (?:\w|-|\.)+
+            | (?:\w|-|\.)+=(?:\w|-)+
             | {{.*?}}
             | {%.*?%}
         """
diff --git a/tests/test_django.py b/tests/test_django.py
index c4d4e79..a8eae93 100644
--- a/tests/test_django.py
+++ b/tests/test_django.py
@@ -7,7 +7,7 @@ run::
 
 for a single test, run::
 
-   pytest tests/test_django.py::test_comment --cov=src/djlint \
+   pytest tests/test_django.py::test_alpine_js --cov=src/djlint \
      --cov-branch --cov-report xml:coverage.xml --cov-report term-missing
 
 """
@@ -54,6 +54,17 @@ def test_reformat_asset_tag(runner: CliRunner, tmp_file: TextIO) -> None:
     assert output.exit_code == 1
 
 
+def test_alpine_js(runner: CliRunner, tmp_file: TextIO) -> None:
+    output = reformat(
+        tmp_file, runner, b"""<div id="collapse"
+     x-data="{ show: true }"
+     x-show="show"
+     x-transition.duration.500ms></div>"""
+     )
+
+    assert output.exit_code == 0
+
+
 def test_autoescape(runner: CliRunner, tmp_file: TextIO) -> None:
     output = reformat(
         tmp_file, runner, b"{% autoescape on %}{{ body }}{% endautoescape %}"