diff --git a/app/build.gradle b/app/build.gradle
index d95ad6cb..fd88aa00 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ apply plugin: 'com.google.gms.google-services'
 
 android {
 
-    def appVersionCode = 458
-    def appVersionName = '1.41.10'
+    def appVersionCode = 459
+    def appVersionName = '1.41.11'
 
     signingConfigs {
         release {
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
index bfa6841a..c29fc86a 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
@@ -68,7 +68,7 @@ public class ProdRecuperMaterialeRESTConsumer extends _BaseRESTConsumer {
                 "           dtb_ord_steps.hr_num                                      as hr, " +
                 "           mtb_colr.riga_ord, " +
                 "           CONVERT(INTEGER, ROUND((CAST(dtb_ord_steps.hr_num AS DECIMAL(20, 5)) / " +
-                "                                   SUM(dtb_ord_steps.hr_num) OVER (PARTITION BY mtb_colr.num_collo)) * 100, " +
+                "                                   SUM(CASE WHEN dtb_ord_steps.hr_num > 0 then dtb_ord_steps.hr_num else 1 end) OVER (PARTITION BY mtb_colr.num_collo)) * 100, " +
                 "                                  0))                                as percentage_hr " +
                 "    FROM mtb_colr " +
                 "             INNER JOIN mtb_colt ON mtb_colr.num_collo = mtb_colt.num_collo " +
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/spedizione/SpedizioneViewModel.java b/app/src/main/java/it/integry/integrywmsnative/gest/spedizione/SpedizioneViewModel.java
index ce43239c..8a4b558b 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/spedizione/SpedizioneViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/spedizione/SpedizioneViewModel.java
@@ -942,7 +942,7 @@ public class SpedizioneViewModel {
                 if (availableBatchLots.stream().anyMatch(x -> x.getDataScad() == null)) {
                     tmp.addAll(availableBatchLots.stream()
                             .filter(x -> x.getDataScad() == null)
-                            .sorted(Comparator.comparing(MtbPartitaMag::getPartitaMag))
+                            .sorted(Comparator.comparing(x -> UtilityString.isNull(x.getPartitaMag(), "")))
                             .collect(Collectors.toList()));
                 }