diff --git a/services/src/main/resources/db.changelogs/onlyoffice-changelog-1.0.0.xml b/services/src/main/resources/db.changelogs/onlyoffice-changelog-1.0.0.xml
index b47c73220..f4d180b76 100644
--- a/services/src/main/resources/db.changelogs/onlyoffice-changelog-1.0.0.xml
+++ b/services/src/main/resources/db.changelogs/onlyoffice-changelog-1.0.0.xml
@@ -106,11 +106,13 @@
   </changeSet>
 
   <changeSet author="onlyoffice" id="1.0.0-3">
-    <modifyDataType columnName="EXPLORER_URL" newDataType="NVARCHAR(1000)" tableName="OO_EDITOR_CONFIG"/>
+    <validCheckSum>9:07e6f19c40fb8b6d4cae8d4499483cad</validCheckSum>
+    <modifyDataType columnName="EXPLORER_URL" newDataType="VARCHAR(1000)" tableName="OO_EDITOR_CONFIG"/>
   </changeSet>
 
   <changeSet author="onlyoffice" id="1.0.0-4">
-    <modifyDataType columnName="EDITOR_PAGE_COMMENT" newDataType="NVARCHAR(2000)" tableName="OO_EDITOR_CONFIG"/>
+    <validCheckSum>9:7559179db190cb8464a0489db3840544</validCheckSum>
+    <modifyDataType columnName="EDITOR_PAGE_COMMENT" newDataType="VARCHAR(2000)" tableName="OO_EDITOR_CONFIG"/>
   </changeSet>
 
   <changeSet author="onlyoffice" id="1.0.0-5" dbms="hsqldb">