diff --git a/src/main/java/org/codelibs/fess/helper/RoleQueryHelper.java b/src/main/java/org/codelibs/fess/helper/RoleQueryHelper.java
index b6467241b..45d30b209 100644
--- a/src/main/java/org/codelibs/fess/helper/RoleQueryHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/RoleQueryHelper.java
@@ -74,7 +74,7 @@ public class RoleQueryHelper {
 
     protected boolean encryptedCookieValue = true;
 
-    protected long maxAge = 30 * 60 * 1000L; // msec
+    protected long maxAge = 30 * 60; // sec
 
     protected Map<String, String> cookieNameMap;