diff --git a/ems-core/src/main/java/it/integry/ems_model/utility/UtilityDB.java b/ems-core/src/main/java/it/integry/ems_model/utility/UtilityDB.java
index c818196158..c66b9881db 100644
--- a/ems-core/src/main/java/it/integry/ems_model/utility/UtilityDB.java
+++ b/ems-core/src/main/java/it/integry/ems_model/utility/UtilityDB.java
@@ -483,7 +483,7 @@ public class UtilityDB {
 
         List<HashMap<String, Object>> queryResults = executeSimpleQuery(conn, querySql);
 
-        if (queryResults.size() > 0) {
+        if (!queryResults.isEmpty()) {
             object = queryResults.get(0);
         }
 
diff --git a/ems-engine/src/main/java/it/integry/ems/system/exchange/service/ExchangeColliImportService.java b/ems-engine/src/main/java/it/integry/ems/system/exchange/service/ExchangeColliImportService.java
index 61f509cf53..cf856a2128 100644
--- a/ems-engine/src/main/java/it/integry/ems/system/exchange/service/ExchangeColliImportService.java
+++ b/ems-engine/src/main/java/it/integry/ems/system/exchange/service/ExchangeColliImportService.java
@@ -23,6 +23,7 @@ import org.apache.logging.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.sql.Timestamp;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -120,9 +121,15 @@ public class ExchangeColliImportService {
             AtomicInteger dataCount = new AtomicInteger(0);
             AtomicInteger importedCounter = new AtomicInteger(0);
 
-            LocalDate startDate = LocalDate.of(2024, 7, 1);
+            String sqlMinDate = "SELECT MIN(data_collo) FROM " + testataTableName + (useTempTable ? "_tmp" : "");
+            Timestamp startDateTimeStamp = UtilityDB.executeSimpleQueryOnlyFirstRowFirstColumn(exchangeMultiDb.getPrimaryConnection(), sqlMinDate);
+
+            LocalDate startDate = startDateTimeStamp.toLocalDateTime().toLocalDate();
+//            LocalDate startDate = LocalDate.of(2024, 7, 1);
             Result<Object> firstErrorObjectIfPresent = null;
 
+
+
             while (startDate.minusDays(1).isBefore(UtilityLocalDate.getNow())) {
 
                 final LocalDate tempStartDate = startDate;