diff --git a/dao/src/main/java/org/thingsboard/server/dao/sqlts/AbstractInsertRepository.java b/dao/src/main/java/org/thingsboard/server/dao/sqlts/AbstractInsertRepository.java
index bf647ada38..274b07e4fc 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sqlts/AbstractInsertRepository.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sqlts/AbstractInsertRepository.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sqlts/ts/HsqlLatestInsertRepository.java b/dao/src/main/java/org/thingsboard/server/dao/sqlts/ts/HsqlLatestInsertRepository.java
index cea88a5266..84250406d8 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sqlts/ts/HsqlLatestInsertRepository.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sqlts/ts/HsqlLatestInsertRepository.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- * http://www.apache.org/licenses/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,