diff --git a/parse.y b/parse.y
index eef742c9b6..4d9ca70104 100644
--- a/parse.y
+++ b/parse.y
@@ -7926,7 +7926,7 @@ parser_get_bool(struct parser_params *p, const char *name, const char *val)
 	}
 	break;
     }
-    rb_compile_warning(p->ruby_sourcefile, p->ruby_sourceline, "invalid value for %s: %s", name, val);
+    rb_warning2("invalid value for %s: %s", WARN_S(name), WARN_S(val));
     return -1;
 }
 
diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index 4e1d233851..771434ff82 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -1588,6 +1588,12 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal("frozen_string_literal", args[0])
   end
 
+  def test_warning_invalid_magic_comment
+    fmt, *args = warning("#-*- frozen-string-literal: nottrue -*-")
+    assert_match(/invalid value/, fmt)
+    assert_equal(%w"frozen_string_literal nottrue", args)
+  end
+
   def test_warn_cr_in_middle
     fmt = nil
     assert_warn("") {fmt, = warn("\r;")}