diff --git a/src/main/resources/db/changelog/changesets/changelog_20250825T125400Z.xml b/src/main/resources/db/changelog/changesets/changelog_20250825T125400Z.xml
new file mode 100644
index 0000000..e19abce
--- /dev/null
+++ b/src/main/resources/db/changelog/changesets/changelog_20250825T125400Z.xml
@@ -0,0 +1,17 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:pro="http://www.liquibase.org/xml/ns/pro" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/pro http://www.liquibase.org/xml/ns/pro/liquibase-pro-latest.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-latest.xsd">
+    <changeSet author="pirogigo" id="1756119288000-1">
+        <update tableName="voltage_init_result_entity_bus_voltages">
+            <column name="voltage_level_id"
+                    valueComputed="regexp_replace(bus_id, '_[0-9]{1,2}$', '')" />
+            <where>voltage_level_id IS NULL</where>
+        </update>
+    </changeSet>
+    <changeSet author="pirogigo" id="1756119288000-2">
+        <update tableName="voltage_init_result_entity_reactive_slacks">
+            <column name="voltage_level_id"
+                    valueComputed="regexp_replace(bus_id, '_[0-9]{1,2}$', '')" />
+            <where>voltage_level_id IS NULL</where>
+        </update>
+    </changeSet>
+</databaseChangeLog>
diff --git a/src/main/resources/db/changelog/db.changelog-master.yaml b/src/main/resources/db/changelog/db.changelog-master.yaml
index 6200afa..aa9788c 100644
--- a/src/main/resources/db/changelog/db.changelog-master.yaml
+++ b/src/main/resources/db/changelog/db.changelog-master.yaml
@@ -45,3 +45,6 @@ databaseChangeLog:
   - include:
       file: changesets/changelog_20250801T132858Z.xml
       relativeToChangelogFile: true
+  - include:
+      file: changesets/changelog_20250825T125400Z.xml
+      relativeToChangelogFile: true