diff --git a/server/src/main/java/org/elasticsearch/index/store/FsDirectoryFactory.java b/server/src/main/java/org/elasticsearch/index/store/FsDirectoryFactory.java
index 31354e500ac1e..310f3de949527 100644
--- a/server/src/main/java/org/elasticsearch/index/store/FsDirectoryFactory.java
+++ b/server/src/main/java/org/elasticsearch/index/store/FsDirectoryFactory.java
@@ -157,6 +157,7 @@ boolean useDelegate(String name) {
                 case "nvd":
                 case "dvd":
                 case "tim":
+                case "tip":
                 case "cfs":
                     return true;
                 default:
diff --git a/server/src/test/java/org/elasticsearch/index/store/FsDirectoryFactoryTests.java b/server/src/test/java/org/elasticsearch/index/store/FsDirectoryFactoryTests.java
index 59ac083fae112..dfba867bf3c1d 100644
--- a/server/src/test/java/org/elasticsearch/index/store/FsDirectoryFactoryTests.java
+++ b/server/src/test/java/org/elasticsearch/index/store/FsDirectoryFactoryTests.java
@@ -61,6 +61,7 @@ public void testPreload() throws IOException {
             assertTrue(hybridDirectory.useDelegate("foo.dvd"));
             assertTrue(hybridDirectory.useDelegate("foo.nvd"));
             assertTrue(hybridDirectory.useDelegate("foo.tim"));
+            assertTrue(hybridDirectory.useDelegate("foo.tip"));
             assertTrue(hybridDirectory.useDelegate("foo.cfs"));
             assertFalse(hybridDirectory.useDelegate("foo.bar"));
             MMapDirectory delegate = hybridDirectory.getDelegate();