diff --git a/spec/overcommit/cli_spec.rb b/spec/overcommit/cli_spec.rb
index 87d6e4c4..3d95b09d 100644
--- a/spec/overcommit/cli_spec.rb
+++ b/spec/overcommit/cli_spec.rb
@@ -133,6 +133,7 @@
 
       before do
         cli.stub(:halt)
+        Overcommit::HookRunner.any_instance.stub(:run)
       end
 
       it 'creates a HookRunner with the diff context' do