diff --git a/pygments/lexers/crystal.py b/pygments/lexers/crystal.py
index e16a01f7e4..4151108dc0 100644
--- a/pygments/lexers/crystal.py
+++ b/pygments/lexers/crystal.py
@@ -171,6 +171,7 @@ def gen_crystalstrings_rules():
             '''.split(), suffix=r'\b'), Keyword),
             (words('''
                 previous_def forall out uninitialized __DIR__ __FILE__ __LINE__
+                __END_LINE__
             '''.split(), prefix=r'(?<!\.)', suffix=r'\b'), Keyword.Pseudo),
             # https://crystal-lang.org/docs/syntax_and_semantics/is_a.html
             (r'\.(is_a\?|nil\?|responds_to\?|as\?|as\b)', Keyword.Pseudo),