diff --git a/src/solver/simulation/solver_utils.cpp b/src/solver/simulation/solver_utils.cpp
index c8dca37a4c..401aa3db68 100644
--- a/src/solver/simulation/solver_utils.cpp
+++ b/src/solver/simulation/solver_utils.cpp
@@ -142,7 +142,7 @@ void annualCostsStatistics::writeUpdateTimes(IResultWriter& writer) const
     buffer << "MAX (ms) : " << updateTime.costMax << "\n";
 
     std::string s = buffer.str();
-    writer.addEntryFromBuffer(updateTimeFilename.string(), s);
+    writer.addEntryFromBuffer(updateTimeFilename, s);
 }
 
 void annualCostsStatistics::writeOptimizationTimeToOutput(IResultWriter& writer) const
@@ -161,7 +161,7 @@ void annualCostsStatistics::writeOptimizationTimeToOutput(IResultWriter& writer)
     buffer << "MAX (ms) : " << optimizationTime2.costMax << "\n";
 
     std::string s = buffer.str();
-    writer.addEntryFromBuffer(optimizationTimeFilename.string(), s);
+    writer.addEntryFromBuffer(optimizationTimeFilename, s);
 }
 
 } // namespace Antares::Solver::Simulation
diff --git a/src/solver/variable/include/antares/solver/variable/surveyresults/reportbuilder.hxx b/src/solver/variable/include/antares/solver/variable/surveyresults/reportbuilder.hxx
index dec3692ee7..45291ead59 100644
--- a/src/solver/variable/include/antares/solver/variable/surveyresults/reportbuilder.hxx
+++ b/src/solver/variable/include/antares/solver/variable/surveyresults/reportbuilder.hxx
@@ -273,7 +273,7 @@ public:
         std::filesystem::path path = std::string(results.data.originalOutput);
         path /= "grid";
         path /= "digest.txt";
-        writer.addEntryFromBuffer(path.string(), digestBuffer);
+        writer.addEntryFromBuffer(path, digestBuffer);
     }
 
 private: