diff --git a/src/libs/antares/study/parts/short-term-storage/container.cpp b/src/libs/antares/study/parts/short-term-storage/container.cpp
index 181f38cab9..2af37df6c8 100644
--- a/src/libs/antares/study/parts/short-term-storage/container.cpp
+++ b/src/libs/antares/study/parts/short-term-storage/container.cpp
@@ -238,18 +238,18 @@ std::pair<Data::ShortTermStorage::Group, Data::ReserveName>
   STStorageInput::reserveParticipationGroupAt(const Area* area, unsigned int index) const
 {
     int column = 0;
-    for (auto [reserveName, _] : area->allCapacityReservations.areaCapacityReservationsUp)
+    for (const auto& [reserveName, _]: area->allCapacityReservations.areaCapacityReservationsUp)
     {
-        for (int indexGroup = 0; indexGroup < Data::groupMax; indexGroup++)
+        for (int indexGroup = 0; indexGroup < Data::ShortTermStorage::groupMax; indexGroup++)
         {
             if (column == index)
                 return {static_cast<Data::ShortTermStorage::Group>(indexGroup), reserveName};
             column++;
         }
     }
-    for (auto [reserveName, _] : area->allCapacityReservations.areaCapacityReservationsDown)
+    for (const auto& [reserveName, _]: area->allCapacityReservations.areaCapacityReservationsDown)
     {
-        for (int indexGroup = 0; indexGroup < Data::groupMax; indexGroup++)
+        for (int indexGroup = 0; indexGroup < Data::ShortTermStorage::groupMax; indexGroup++)
         {
             if (column == index)
                 return {static_cast<Data::ShortTermStorage::Group>(indexGroup), reserveName};
diff --git a/src/solver/variable/include/antares/solver/variable/economy/vCardReserveParticipationBySTStorageGroup.h b/src/solver/variable/include/antares/solver/variable/economy/vCardReserveParticipationBySTStorageGroup.h
index cb1280cb3e..6070c44036 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/vCardReserveParticipationBySTStorageGroup.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/vCardReserveParticipationBySTStorageGroup.h
@@ -114,11 +114,11 @@ static std::string STStorageGroupToString(Data::ShortTermStorage::Group idx)
     case Group::Other2:
         return "Other2";
     case Group::Other3:
-        return "Other 3";
+        return "Other3";
     case Group::Other4:
-        return "Other 4";
+        return "Other4";
     case Group::Other5:
-        return "Other 5";
+        return "Other5";
     default:
         return "<unknown>";
     }