diff --git a/tests/test_lalr1_but_not_slr.py b/tests/test_lalr1_but_not_slr.py
index 5b39d13..2498209 100644
--- a/tests/test_lalr1_but_not_slr.py
+++ b/tests/test_lalr1_but_not_slr.py
@@ -1,3 +1,5 @@
+import pytest
+
 from pyjapt import Grammar
 
 
@@ -24,6 +26,7 @@ def test_slr():
     assert parser.has_conflicts
 
 
+@pytest.mark.lalr1
 def test_lalr():
     g = grammar()
     parser = g.get_parser("lalr1")