1 files changed, 2 insertions, 2 deletions
diff --git a/shape.h b/shape.h
index b23fda4e29..c6eb1981d0 100644
--- a/shape.h
+++ b/shape.h
@@ -111,7 +111,7 @@ static inline shape_id_t
 RBASIC_SHAPE_ID(VALUE obj)
 {
     RUBY_ASSERT(!RB_SPECIAL_CONST_P(obj));
-    RUBY_ASSERT(!RB_TYPE_P(obj, T_IMEMO) || IMEMO_TYPE_P(obj, imemo_class_fields));
+    RUBY_ASSERT(!RB_TYPE_P(obj, T_IMEMO) || IMEMO_TYPE_P(obj, imemo_fields));
 #if RBASIC_SHAPE_ID_FIELD
     return (shape_id_t)((RBASIC(obj)->shape_id));
 #else
@@ -135,7 +135,7 @@ static inline void
 RBASIC_SET_SHAPE_ID(VALUE obj, shape_id_t shape_id)
 {
     RUBY_ASSERT(!RB_SPECIAL_CONST_P(obj));
-    RUBY_ASSERT(!RB_TYPE_P(obj, T_IMEMO) || IMEMO_TYPE_P(obj, imemo_class_fields));
+    RUBY_ASSERT(!RB_TYPE_P(obj, T_IMEMO) || IMEMO_TYPE_P(obj, imemo_fields));
 #if RBASIC_SHAPE_ID_FIELD
     RBASIC(obj)->shape_id = (VALUE)shape_id;
 #else