diff --git a/lib/tasks/orangeindex.rake b/lib/tasks/orangeindex.rake
index 3f5e0183..7ecda1a3 100644
--- a/lib/tasks/orangeindex.rake
+++ b/lib/tasks/orangeindex.rake
@@ -108,10 +108,12 @@ namespace :liberate do
     IndexManager.for(solr_url).index_remaining!
   end
 
-  desc "Index single incremental dump"
+  desc "Index single incremental dump uses ENV['DUMP_ID'] (default 1177)"
   task index_single_dump: :environment do
-    solr_url = ENV['SOLR_URL'] || default_solr_url
-    next_dump = Dump.find(1177)
+    solr_url = ENV['SOLR_URL'] || "http://lib-solr8d-staging.princeton.edu:8983/solr/catalog-performance"
+    dump_id_str = ENV['DUMP_ID'] || '1177'
+    dump_id = dump_id_str.to_i
+    next_dump = Dump.find(dump_id)
     next_dump.dump_files.each do |dump_file|
       Alma::Indexer::DumpFileIndexer.new(dump_file, solr_url:).index!
     end