diff --git a/src/cpp/benders/benders_core/CriterionInputDataReader.cpp b/src/cpp/benders/benders_core/CriterionInputDataReader.cpp
index 4820908f0..0fce7710d 100644
--- a/src/cpp/benders/benders_core/CriterionInputDataReader.cpp
+++ b/src/cpp/benders/benders_core/CriterionInputDataReader.cpp
@@ -13,7 +13,7 @@ using namespace Benders::Criterion;
 CriterionPattern::CriterionPattern(std::string prefix, std::string body)
     : prefix_(std::move(prefix)), body_(std::move(body)) {}
 
-std::string CriterionPattern::Pattern() const {
+std::string CriterionPattern::Value() const {
   return prefix_ + "area<" + body_ + ">";
 }
 
diff --git a/src/cpp/benders/benders_core/VariablesGroup.cpp b/src/cpp/benders/benders_core/VariablesGroup.cpp
index af704cd13..e949467be 100644
--- a/src/cpp/benders/benders_core/VariablesGroup.cpp
+++ b/src/cpp/benders/benders_core/VariablesGroup.cpp
@@ -27,14 +27,14 @@ void VariablesGroup::Search() {
   indices_.assign(criterion_single_input_data_.size(), {});
   int pattern_index(0);
   for (const auto& single_input_data : criterion_single_input_data_) {
-    auto pattern = single_input_data.Pattern().GetPrefix() + "area<" + single_input_data.Pattern().GetBody() + ">";
+    auto pattern = single_input_data.Pattern().Value();
     int var_index(0);
     for (const auto& variable : all_variables_) {
-      if (variable.find(single_input_data.Pattern().GetPrefix()) != std::string::npos) {
+      if (variable.find(pattern) != std::string::npos) {
         indices_[pattern_index].push_back(var_index);
       }
-      var_index++;
+      ++var_index;
     }
     ++pattern_index;
   }
-}
+}
\ No newline at end of file
diff --git a/src/cpp/benders/benders_core/include/antares-xpansion/benders/benders_core/CriterionInputDataReader.h b/src/cpp/benders/benders_core/include/antares-xpansion/benders/benders_core/CriterionInputDataReader.h
index f4462ea93..263742609 100644
--- a/src/cpp/benders/benders_core/include/antares-xpansion/benders/benders_core/CriterionInputDataReader.h
+++ b/src/cpp/benders/benders_core/include/antares-xpansion/benders/benders_core/CriterionInputDataReader.h
@@ -45,7 +45,7 @@ class CriterionPattern {
  public:
   explicit CriterionPattern(std::string prefix, std::string body);
   CriterionPattern() = default;
-  [[nodiscard]] std::string Pattern() const;
+  [[nodiscard]] std::string Value() const;
   [[nodiscard]] const std::string &GetPrefix() const;
   void SetPrefix(const std::string &prefix);
   [[nodiscard]] const std::string &GetBody() const;
diff --git a/tests/cpp/outer_loop/outer_loop_test.cpp b/tests/cpp/outer_loop/outer_loop_test.cpp
index cad5e4a81..e69cf673a 100644
--- a/tests/cpp/outer_loop/outer_loop_test.cpp
+++ b/tests/cpp/outer_loop/outer_loop_test.cpp
@@ -181,7 +181,7 @@ TEST_F(OuterLoopPatternTest, RegexGivenPrefixAndBody) {
   const std::string body = "body";
   CriterionPattern o(prefix, body);
 
-  auto ret_regex = o.Pattern();
+  auto ret_regex = o.Value();
 
   ASSERT_EQ((prefix + body).find(ret_regex) != std::string::npos, false);
   ASSERT_EQ((prefix + "::" + body + "::suffix").find(ret_regex) != std::string::npos,