diff --git a/bundler/spec/dependabot/bundler/update_checker_spec.rb b/bundler/spec/dependabot/bundler/update_checker_spec.rb
index dfb2f54f24..27b42e900f 100644
--- a/bundler/spec/dependabot/bundler/update_checker_spec.rb
+++ b/bundler/spec/dependabot/bundler/update_checker_spec.rb
@@ -163,7 +163,7 @@
             function: "dependency_source_type",
             options: anything,
             args: anything
-          }).and_call_original
+          }).and_return("private")
 
         allow(Dependabot::Bundler::NativeHelpers)
           .to receive(:run_bundler_subprocess)