diff --git a/websocket-gateway/build b/websocket-gateway/build
index 94b28144b..273e25d68 100755
--- a/websocket-gateway/build
+++ b/websocket-gateway/build
@@ -20,6 +20,9 @@ mkdir -p vendor/cache
 cp ../pb/target/ruby/jampb/jampb-${GEM_VERSION}.gem vendor/cache/ || { echo "unable to copy jam-pb gem";  exit 1; }
 cp ../ruby/jam_ruby-${GEM_VERSION}.gem vendor/cache/ || { echo "unable to copy jam-ruby gem"; exit 1; }
 
+ls -la ../pb/target/ruby/jampb
+ls -la vendor/cache
+
 # put all dependencies into vendor/bundle
 #rm -rf vendor/bundle -- let checkins config 'wipe workspace' decide this
 echo "updating dependencies"