diff --git a/pom.xml b/pom.xml
index 56b12b428..2ffde27dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
 
 		<!-- Main Framework -->
 		<dbflute.version>1.1.0-sp8</dbflute.version>
-		<lastaflute.version>0.6.2-B-SNAPSHOT</lastaflute.version>
+		<lastaflute.version>0.6.2-RC4</lastaflute.version>
 		<lasta.taglib.version>0.6.0</lasta.taglib.version>
 		<servlet.version>3.1.0</servlet.version>
 		<jsp.version>2.3.1</jsp.version>
diff --git a/src/main/java/org/codelibs/fess/app/web/base/login/FessLoginAssist.java b/src/main/java/org/codelibs/fess/app/web/base/login/FessLoginAssist.java
index b80bc7bb4..d0e4bb630 100644
--- a/src/main/java/org/codelibs/fess/app/web/base/login/FessLoginAssist.java
+++ b/src/main/java/org/codelibs/fess/app/web/base/login/FessLoginAssist.java
@@ -119,4 +119,9 @@ public class FessLoginAssist extends TypicalLoginAssist<String, FessUserBean, Us
     protected Class<?> getLoginActionType() {
         return LoginAction.class;
     }
+
+    @Override
+    protected String toTypedUserId(String userKey) {
+        return userKey;
+    }
 }