diff --git a/server/lib/elastic-search/elastic-search-instances.ts b/server/lib/elastic-search/elastic-search-instances.ts
index 194e67e..78ccc07 100644
--- a/server/lib/elastic-search/elastic-search-instances.ts
+++ b/server/lib/elastic-search/elastic-search-instances.ts
@@ -22,7 +22,7 @@ async function buildInstanceHosts () {
     if (instanceVersion < 4) {
       logger.info(`Do not index ${indexHost} because the major version is too low (v${instanceVersion} < v4)`)
 
-      indexHosts = indexHosts.filter(h => h === indexHost)
+      indexHosts = indexHosts.filter(h => h !== indexHost)
     }
   }