diff --git a/lib/react/server_rendering/webpacker_manifest_container.rb b/lib/react/server_rendering/webpacker_manifest_container.rb
index 377aeeac..d2531fca 100644
--- a/lib/react/server_rendering/webpacker_manifest_container.rb
+++ b/lib/react/server_rendering/webpacker_manifest_container.rb
@@ -77,7 +77,7 @@ def config
         def file_path path
           manifest.lookup_path(path)
         end
-      elsif MAJOR == 3
+      elsif MAJOR >= 3
         def file_path path
           ::Rails.root.join('public', manifest.lookup(path)[1..-1])
         end