From f3f89bf77ac111160eca233750f0859ab05e851e Mon Sep 17 00:00:00 2001
From: Charlie Savage <cfis@savagexi.com>
Date: Tue, 12 May 2020 20:54:26 -0700
Subject: [PATCH] Fix #270.

---
 ext/ruby_prof/rp_stack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/ruby_prof/rp_stack.c b/ext/ruby_prof/rp_stack.c
index 42254b54..a19a86ee 100644
--- a/ext/ruby_prof/rp_stack.c
+++ b/ext/ruby_prof/rp_stack.c
@@ -187,7 +187,7 @@ prof_frame_t* prof_frame_pop(prof_stack_t* stack, double measurement)
 
 prof_method_t* prof_find_method(prof_stack_t* stack, VALUE source_file, int source_line)
 {
-    prof_frame_t* frame = stack->ptr;
+    prof_frame_t* frame = prof_stack_last(stack);
     while (frame >= stack->start)
     {
         if (!frame->call_tree)