diff --git a/src/main/java/org/codelibs/fessexpression/engine/SaiExpressionEngine.java b/src/main/java/org/codelibs/fess/expression/engine/SaiExpressionEngine.java
similarity index 97%
rename from src/main/java/org/codelibs/fessexpression/engine/SaiExpressionEngine.java
rename to src/main/java/org/codelibs/fess/expression/engine/SaiExpressionEngine.java
index 065d3ad8f..236a09049 100644
--- a/src/main/java/org/codelibs/fessexpression/engine/SaiExpressionEngine.java
+++ b/src/main/java/org/codelibs/fess/expression/engine/SaiExpressionEngine.java
@@ -13,7 +13,7 @@
  * either express or implied. See the License for the specific language
  * governing permissions and limitations under the License.
  */
-package org.codelibs.fessexpression.engine;
+package org.codelibs.fess.expression.engine;
 
 import java.util.Map;
 
diff --git a/src/main/resources/lasta_di.properties b/src/main/resources/lasta_di.properties
index ee1c3cd6d..c797c5e7b 100644
--- a/src/main/resources/lasta_di.properties
+++ b/src/main/resources/lasta_di.properties
@@ -9,4 +9,4 @@ smart.deploy.mode.location = fess_env.properties: lasta_di.smart.deploy.mode
 smart.package1 = org.codelibs.fess.app
 
 # script engine
-dixml.script.expression.engine=org.codelibs.fessexpression.engine.SaiExpressionEngine
+dixml.script.expression.engine=org.codelibs.fess.expression.engine.SaiExpressionEngine