1 files changed, 2 insertions, 2 deletions
diff --git a/hash.c b/hash.c
index e990f53d3e..f51da37001 100644
--- a/hash.c
+++ b/hash.c
@@ -2708,7 +2708,7 @@ env_reject_bang(VALUE ehash)
 
     RETURN_SIZED_ENUMERATOR(ehash, 0, 0, rb_env_size);
     keys = env_keys();	/* rb_secure(4); */
-    RBASIC(keys)->klass = 0;
+    RBASIC_CLEAR_CLASS(keys);
     for (i=0; i<RARRAY_LEN(keys); i++) {
 	VALUE val = rb_f_getenv(Qnil, RARRAY_AREF(keys, i));
 	if (!NIL_P(val)) {
@@ -2812,7 +2812,7 @@ env_select_bang(VALUE ehash)
 
     RETURN_SIZED_ENUMERATOR(ehash, 0, 0, rb_env_size);
     keys = env_keys();	/* rb_secure(4); */
-    RBASIC(keys)->klass = 0;
+    RBASIC_CLEAR_CLASS(keys);
     for (i=0; i<RARRAY_LEN(keys); i++) {
 	VALUE val = rb_f_getenv(Qnil, RARRAY_AREF(keys, i));
 	if (!NIL_P(val)) {