1 files changed, 3 insertions, 0 deletions
diff --git a/object.c b/object.c
index ff2db0b45a..d339ff94b2 100644
--- a/object.c
+++ b/object.c
@@ -3468,6 +3468,7 @@ InitVM_Object(void)
     rb_define_method(rb_cNilClass, "&", false_and, 1);
     rb_define_method(rb_cNilClass, "|", false_or, 1);
     rb_define_method(rb_cNilClass, "^", false_xor, 1);
+    rb_define_method(rb_cNilClass, "===", rb_equal, 1);
 
     rb_define_method(rb_cNilClass, "nil?", rb_true, 0);
     rb_undef_alloc_func(rb_cNilClass);
@@ -3553,6 +3554,7 @@ InitVM_Object(void)
     rb_define_method(rb_cTrueClass, "&", true_and, 1);
     rb_define_method(rb_cTrueClass, "|", true_or, 1);
     rb_define_method(rb_cTrueClass, "^", true_xor, 1);
+    rb_define_method(rb_cTrueClass, "===", rb_equal, 1);
     rb_undef_alloc_func(rb_cTrueClass);
     rb_undef_method(CLASS_OF(rb_cTrueClass), "new");
     /*
@@ -3566,6 +3568,7 @@ InitVM_Object(void)
     rb_define_method(rb_cFalseClass, "&", false_and, 1);
     rb_define_method(rb_cFalseClass, "|", false_or, 1);
     rb_define_method(rb_cFalseClass, "^", false_xor, 1);
+    rb_define_method(rb_cFalseClass, "===", rb_equal, 1);
     rb_undef_alloc_func(rb_cFalseClass);
     rb_undef_method(CLASS_OF(rb_cFalseClass), "new");
     /*