diff --git a/docker/app/run-test b/docker/app/run-test
index 4c120740..679a438c 100755
--- a/docker/app/run-test
+++ b/docker/app/run-test
@@ -9,7 +9,7 @@ export MIX_ENV=test
 # if it's not done doing whatever it does yet
 echo -n "Waiting for Elasticsearch"
 
-until wget -qO - elasticsearch:9200; do
+until wget -qO - opensearch:9200; do
   echo -n "."
   sleep 2
 done