diff --git a/Gemfile b/Gemfile
index 772cfb5..654098b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gemspec
 # engine_cart: 1.1.0
 # engine_cart stanza: 0.10.0
 # the below comes from engine_cart, a gem used to test this Rails engine gem in the context of a Rails app.
-file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_gem', File.dirname(__FILE__)))
+file = File.expand_path('Gemfile', ENV['ENGINE_CART_DESTINATION'] || ENV['RAILS_ROOT'] || File.expand_path('.internal_test_app', File.dirname(__FILE__)))
 if File.exist?(file)
   begin
     eval_gemfile file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8ce804a..d661538 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -4,7 +4,7 @@
 
 require 'simplecov'
 SimpleCov.start do
-  add_filter '/.internal_test_gem/'
+  add_filter '/.internal_test_app/'
   add_filter '/spec/'
 end
 
diff --git a/tasks/warclight.rake b/tasks/warclight.rake
index 0fed1c1..5f9e13d 100644
--- a/tasks/warclight.rake
+++ b/tasks/warclight.rake
@@ -53,8 +53,8 @@ namespace :warclight do
   task :seed do
     puts 'Seeding index with data from spec/fixtures/warcs/...'
     # rubocop:disable Metrics/LineLength
-    system('curl -o ".internal_test_gem/tmp/warc-indexer.jar" "http://alpha.library.yorku.ca/warc-indexer.jar"')
-    system('java -Djava.io.tmpdir=.internal_test_gem/tmp -jar .internal_test_gem/tmp/warc-indexer.jar -c .internal_test_gem/solr/warclight_warc-indexer.conf -i "York University Libraries" -n "Test Collection" -u "12345" -s http://localhost:8983/solr/blacklight-core spec/fixtures/warcs/*.gz')
+    system('curl -o ".internal_test_app/tmp/warc-indexer.jar" "http://alpha.library.yorku.ca/warc-indexer.jar"')
+    system('java -Djava.io.tmpdir=.internal_test_app/tmp -jar .internal_test_app/tmp/warc-indexer.jar -c .internal_test_app/solr/warclight_warc-indexer.conf -i "York University Libraries" -n "Test Collection" -u "12345" -s http://localhost:8983/solr/blacklight-core spec/fixtures/warcs/*.gz')
     system('curl "http://localhost:8983/solr/blacklight-core/update?commit=true&openSearcher=true"')
   end
 end