diff --git a/docker-compose.matomo.yml b/docker-compose.matomo.yml
index 722c9774f..be12f2ddd 100644
--- a/docker-compose.matomo.yml
+++ b/docker-compose.matomo.yml
@@ -11,7 +11,7 @@ services:
     restart: ${RESTART_POLICY:-unless-stopped}
     image: ${REPOSITORY:-islandora}/matomo:${TAG:-latest}
     environment:
-      MATOMO_DEFAULT_SITE_HOST: ${DOMAIN}
+      MATOMO_DEFAULT_HOST: ${DOMAIN}
     volumes:
       - matomo-config-data:/var/www/matomo
     depends_on:
@@ -40,4 +40,4 @@ services:
           limits:
             memory: ${MATOMO_MEMORY_LIMIT:-1G}
           reservations:
-            memory: 512M
\ No newline at end of file
+            memory: 512M