diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5968c0..5e1fa14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## HEAD (unreleased)
 
+- Fix sinatra support for `require_relative` (https://github.com/zombocom/dead_end/pull/63)
+
 ## 1.1.6
 
 - Consider if syntax error caused an unexpected variable instead of end (https://github.com/zombocom/dead_end/pull/58)
diff --git a/lib/dead_end/auto.rb b/lib/dead_end/auto.rb
index 3e5dbd3..67e23ac 100644
--- a/lib/dead_end/auto.rb
+++ b/lib/dead_end/auto.rb
@@ -27,7 +27,7 @@ def require_relative(file)
     if Pathname.new(file).absolute?
       dead_end_original_require file
     else
-      dead_end_original_require File.expand_path("../#{file}", caller_locations(1, 1)[0].absolute_path)
+      dead_end_original_require File.expand_path("../#{file}", Kernel.caller_locations(1, 1)[0].absolute_path)
     end
   rescue SyntaxError => e
     DeadEnd.handle_error(e)