diff --git a/src/ui/simulator/toolbox/components/datagrid/renderer/area/renewable.areasummary.cpp b/src/ui/simulator/toolbox/components/datagrid/renderer/area/renewable.areasummary.cpp
index 59ff293c0c..3bbe42393c 100644
--- a/src/ui/simulator/toolbox/components/datagrid/renderer/area/renewable.areasummary.cpp
+++ b/src/ui/simulator/toolbox/components/datagrid/renderer/area/renewable.areasummary.cpp
@@ -121,7 +121,9 @@ bool RenewableClusterSummarySingleArea::cellValue(int x, int y, const String& v)
         {
         case 0:
         {
-            if (cluster->group() != v)
+            std::string group = cluster->group().c_str();
+            std::string v_string;
+            if (group != v_string)
             {
                 cluster->setGroup(v);
                 return true;