diff --git a/src/cpp/lpnamer/problem_modifier/MasterGeneration.cpp b/src/cpp/lpnamer/problem_modifier/MasterGeneration.cpp
index 31f3478d2..7002b68a2 100644
--- a/src/cpp/lpnamer/problem_modifier/MasterGeneration.cpp
+++ b/src/cpp/lpnamer/problem_modifier/MasterGeneration.cpp
@@ -59,14 +59,7 @@ std::filesystem::path FileNameForStructureFile(const std::string& problemName,
   const std::string save_ext = ".svf";
   const std::string default_ext = ".mps";
   if (problemName == "master") return {"master"};
-  SolverConfig solverConfig(std::move(solverName));
-  std::filesystem::path path{problemName};
-  if (solverConfig.use_save_restore) {
-    path.replace_extension(save_ext);
-  } else {
-    path.replace_extension(default_ext);
-  }
-  return path;
+  return SolverConfig::FileName(problemName, SolverConfig(std::move(solverName)));
 }
 
 void MasterGeneration::write_structure_file(
diff --git a/src/cpp/multisolver_interface/SolverConfig.cpp b/src/cpp/multisolver_interface/SolverConfig.cpp
index 53077fc7c..9c7bd794e 100644
--- a/src/cpp/multisolver_interface/SolverConfig.cpp
+++ b/src/cpp/multisolver_interface/SolverConfig.cpp
@@ -30,3 +30,16 @@ void SolverConfig::init(std::string solver_name) {
   save_restore_supported = save_restore_support.at(name);
   use_save_restore = save_restore_supported;
 }
+
+std::filesystem::path SolverConfig::FileName(const std::string& problemName,
+                                             const SolverConfig& solverName) {
+  const std::string save_ext = ".svf";
+  const std::string default_ext = ".mps";
+  std::filesystem::path path{problemName};
+  if (solverName.use_save_restore) {
+    path.replace_extension(save_ext);
+  } else {
+    path.replace_extension(default_ext);
+  }
+  return path;
+}
diff --git a/src/cpp/multisolver_interface/include/antares-xpansion/multisolver_interface/SolverConfig.h b/src/cpp/multisolver_interface/include/antares-xpansion/multisolver_interface/SolverConfig.h
index 6794e1f34..c72b4ae64 100644
--- a/src/cpp/multisolver_interface/include/antares-xpansion/multisolver_interface/SolverConfig.h
+++ b/src/cpp/multisolver_interface/include/antares-xpansion/multisolver_interface/SolverConfig.h
@@ -25,4 +25,6 @@ class SolverConfig {
   ~SolverConfig() = default;
   bool operator==(const std::string& rhs) const;
   SolverConfig& operator=(const std::string& rhs);
+  static std::filesystem::path FileName(const std::string& problemName,
+                                        const SolverConfig& solverName);
 };
\ No newline at end of file