diff --git a/src/libs/antares/study/parts/common/cluster_list.cpp b/src/libs/antares/study/parts/common/cluster_list.cpp
index 0feee3a77f..b9afbaff2f 100644
--- a/src/libs/antares/study/parts/common/cluster_list.cpp
+++ b/src/libs/antares/study/parts/common/cluster_list.cpp
@@ -96,7 +96,7 @@ void ClusterList<ClusterT>::storeTimeseriesNumbers(Solver::IResultWriter& writer
 
     for (auto& cluster: each_enabled())
     {
-        fs::path path = fs::path(cluster->parentArea->id.c_str())
+        fs::path path = basePath / cluster->parentArea->id.c_str()
                         / std::string(cluster->id() + ".txt");
 
         ts_content.clear(); // We must clear ts_content here, since saveToBuffer does not do it.