diff --git a/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFileFlusher.java b/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFileFlusher.java
index 3f50ca8..9dd7c7c 100644
--- a/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFileFlusher.java
+++ b/shiroha-server/src/main/java/io/nanachiyo0721/shiroha/data/BufferedLinearRegionFileFlusher.java
@@ -20,9 +20,9 @@ public class BufferedLinearRegionFileFlusher implements Runnable {
     private final Executor ioWorkerPool;
     private final long flushOfWriteTimeoutMs;
 
-    public BufferedLinearRegionFileFlusher(int nIoThreads, long checkIntervalMs, long flushOfWriteTimeoutMs) {
+    public BufferedLinearRegionFileFlusher(int nIoThreads, long scanInterval, long flushOfWriteTimeoutMs) {
         Validate.isTrue(nIoThreads > 0, "Number of I/O threads must > 0!");
-        Validate.isTrue(checkIntervalMs > 0, "Check interval must > 0");
+        Validate.isTrue(scanInterval > 0, "Scan interval must > 0");
         Validate.isTrue(flushOfWriteTimeoutMs > 0, "Flush of write timeout must > 0");
 
         this.ioWorkerPool = Executors.newFixedThreadPool(nIoThreads, new ThreadFactoryBuilder()
@@ -34,7 +34,7 @@ public class BufferedLinearRegionFileFlusher implements Runnable {
                         .setNameFormat("BufferedLinearRegionFile Flusher Checker")
                         .setDaemon(true)
                         .build())
-                .scheduleWithFixedDelay(this, checkIntervalMs, checkIntervalMs, TimeUnit.MILLISECONDS);
+                .scheduleWithFixedDelay(this, scanInterval, scanInterval, TimeUnit.MILLISECONDS);
         this.flushOfWriteTimeoutMs = flushOfWriteTimeoutMs;
     }