diff --git a/spec/unit/asset_sync_spec.rb b/spec/unit/asset_sync_spec.rb
index c921ddb5..afd7c242 100644
--- a/spec/unit/asset_sync_spec.rb
+++ b/spec/unit/asset_sync_spec.rb
@@ -73,7 +73,8 @@
 
     it "log_silently? should always be true if ENV['RAILS_GROUPS'] == 'assets'" do
       AssetSync.config.log_silently = false
-      expect(ENV).to receive(:[]).with('RAILS_GROUPS').and_return('assets')
+      # make sure ENV is actually being checked ...
+      expect(ENV).to receive(:[]).with('RAILS_GROUPS').and_return('assets') 
       expect(AssetSync.config.log_silently?).to eq(true)
     end