1 files changed, 1 insertions, 2 deletions
diff --git a/string.c b/string.c
index fa95ee9d09..9c79b2104c 100644
--- a/string.c
+++ b/string.c
@@ -370,8 +370,7 @@ rb_str_capacity(VALUE str)
 static inline VALUE
 str_alloc(VALUE klass)
 {
-    NEWOBJ(str, struct RString);
-    OBJSETUP(str, klass, T_STRING);
+    NEWOBJ_OF(str, struct RString, klass, T_STRING);
 
     str->as.heap.ptr = 0;
     str->as.heap.len = 0;