diff --git a/sdk/java/src/main/java/io/juicefs/JuiceFileSystemImpl.java b/sdk/java/src/main/java/io/juicefs/JuiceFileSystemImpl.java
index 89ffd8a544e7..23c7b6416ebd 100644
--- a/sdk/java/src/main/java/io/juicefs/JuiceFileSystemImpl.java
+++ b/sdk/java/src/main/java/io/juicefs/JuiceFileSystemImpl.java
@@ -312,6 +312,7 @@ public void initialize(URI uri, Configuration conf) throws IOException {
     obj.put("entryTimeout", Float.valueOf(getConf(conf, "entry-cache", "0.0")));
     obj.put("dirEntryTimeout", Float.valueOf(getConf(conf, "dir-entry-cache", "0.0")));
     obj.put("cacheFullBlock", Boolean.valueOf(getConf(conf, "cache-full-block", "true")));
+    obj.put("cacheScanInterval", Integer.valueOf(getConf(conf, "cache-scan-interval", "300")));
     obj.put("metacache", Boolean.valueOf(getConf(conf, "metacache", "true")));
     obj.put("autoCreate", Boolean.valueOf(getConf(conf, "auto-create-cache-dir", "true")));
     obj.put("maxUploads", Integer.valueOf(getConf(conf, "max-uploads", "20")));