1 files changed, 1 insertions, 1 deletions
diff --git a/vm_dump.c b/vm_dump.c
index 01c6db9858..40d3b20959 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -91,7 +91,7 @@ control_frame_dump(rb_thread_t *th, rb_control_frame_t *cfp)
     }
 
     if (cfp->iseq != 0) {
-#define RUBY_VM_IFUNC_P(ptr)        (RB_TYPE_P((VALUE)(ptr), T_IMEMO) && imemo_type((VALUE)ptr) == imemo_ifunc)
+#define RUBY_VM_IFUNC_P(ptr) imemo_type_p((VALUE)ptr, imemo_ifunc)
 	if (RUBY_VM_IFUNC_P(cfp->iseq)) {
 	    iseq_name = "<ifunc>";
 	}