diff --git a/ems-core/src/main/java/it/integry/ems/migration/model/Migration_20250516175157.java b/ems-core/src/main/java/it/integry/ems/migration/model/Migration_20250516175157.java
index b4c66590af..1e3b17ecc4 100644
--- a/ems-core/src/main/java/it/integry/ems/migration/model/Migration_20250516175157.java
+++ b/ems-core/src/main/java/it/integry/ems/migration/model/Migration_20250516175157.java
@@ -10,6 +10,8 @@ public class Migration_20250516175157 extends BaseMigration implements Migration
         if (isHistoryDB())
             return;
 
+        if (existsColumn("stb_activity_plan", "flag_tipologia"))
+            return;
         executeStatement("ALTER TABLE stb_activity_plan ADD flag_tipologia varchar DEFAULT 'A' NOT NULL");
         executeStatement("alter table dbo.stb_activity_plan\n" +
                 "    add constraint fk__stb_activity_plan_stb_activity_type\n" +