diff --git a/tests/foreman/installer/test_installer.py b/tests/foreman/installer/test_installer.py
index ed2e55faf0b..ddecbc1429c 100644
--- a/tests/foreman/installer/test_installer.py
+++ b/tests/foreman/installer/test_installer.py
@@ -1262,7 +1262,7 @@
     '= Module puppet:',
 }
 
-SATELLITE_SERVICES = {
+SATELLITE_SERVICES = [
     'dynflow-sidekiq@orchestrator',
     'dynflow-sidekiq@worker-1',
     'dynflow-sidekiq@worker-hosts-queue-1',
@@ -1274,7 +1274,7 @@
     'pulpcore-content',
     'pulpcore-worker@*',
     'tomcat',
-}
+]
 
 
 def extract_help(filter='params'):