diff --git a/lib/debug/session.rb b/lib/debug/session.rb
index 3d973c3d2..f76f9dc6d 100644
--- a/lib/debug/session.rb
+++ b/lib/debug/session.rb
@@ -2190,6 +2190,7 @@ def self.require_location
       case loc.absolute_path
       when dir_prefix
       when %r{rubygems/core_ext/kernel_require\.rb}
+      when %r{bundled_gems\.rb}
       else
         return loc if loc.absolute_path
       end