diff --git a/src/Template/IOHprofiler_suite.hpp b/src/Template/IOHprofiler_suite.hpp
index d3fd17b1e..0d96e8234 100644
--- a/src/Template/IOHprofiler_suite.hpp
+++ b/src/Template/IOHprofiler_suite.hpp
@@ -148,6 +148,11 @@ template <class InputType> class IOHprofiler_suite : public IOHprofiler_problem<
     return this->problem_id_name_map;
   }
 
+  //! Return a map of problem name to problem ID, for all the registered problem.
+  std::map<std::string, int> IOHprofiler_suite_get_problems() const {
+    return this->problem_name_id_map;
+  }
+
   std::vector<int> IOHprofiler_suite_get_instance_id() const {
     return this->instance_id;
   }
diff --git a/src/Template/Loggers/IOHprofiler_csv_logger.cpp b/src/Template/Loggers/IOHprofiler_csv_logger.cpp
index 556a6add0..686716cff 100644
--- a/src/Template/Loggers/IOHprofiler_csv_logger.cpp
+++ b/src/Template/Loggers/IOHprofiler_csv_logger.cpp
@@ -47,7 +47,7 @@ int IOHprofiler_csv_logger::IOHprofiler_create_folder(std::string folder_name) {
 /// directory will be renamed by adding a suffix.
 /// For example,
 ///     If a folder or file 'test' has already been in currect path, the 
-///     expected directory will be renamed as 'test-1', 'test-2', ... 
+///     expected directory will be renamed as 'test_1', 'test_2', ... 
 ///     until there is no such a folder or file. 
 std::string IOHprofiler_csv_logger::IOHprofiler_experiment_folder_name() {
   std::string renamed_directory = this->output_directory + IOHprofiler_path_separator + this->folder_name;
@@ -56,7 +56,7 @@ std::string IOHprofiler_csv_logger::IOHprofiler_experiment_folder_name() {
   //while (fs::exists(renamed_directory.c_str())) {
   while (folder_exist(renamed_directory) ) {
     ++index;
-    temp_folder_name = this->folder_name  + '-' + std::to_string(index);
+    temp_folder_name = this->folder_name  + '_' + std::to_string(index);
     renamed_directory = this->output_directory + IOHprofiler_path_separator + temp_folder_name;
   }
   this->folder_name = temp_folder_name;
diff --git a/src/Template/Loggers/IOHprofiler_csv_logger.h b/src/Template/Loggers/IOHprofiler_csv_logger.h
index f0daf4d38..5f155228e 100644
--- a/src/Template/Loggers/IOHprofiler_csv_logger.h
+++ b/src/Template/Loggers/IOHprofiler_csv_logger.h
@@ -10,6 +10,7 @@
 
 #include "IOHprofiler_observer.hpp"
 #include "IOHprofiler_common.h"
+#include "IOHprofiler_problem.hpp"
 
 // #define BOOST_NO_CXX11_SCOPED_ENUMS
 // #include <boost/filesystem.hpp>
@@ -47,6 +48,19 @@ class IOHprofiler_csv_logger : public IOHprofiler_observer {
   void clear_logger();
 
   void target_problem(const int problem_id, const int dimension, const int instance, const std::string problem_name, const int maximization_minimization_flag);
+
+  template<class T>
+  void target_problem(const IOHprofiler_problem<T> & om)
+  {
+    this->target_problem(
+        om.IOHprofiler_get_problem_id(), 
+        om.IOHprofiler_get_number_of_variables(), 
+        om.IOHprofiler_get_instance_id(),
+        om.IOHprofiler_get_problem_name(),
+        om.IOHprofiler_get_optimization_type()
+      );
+  }
+
   void target_suite(std::string suite_name);
 
   void openInfo(int problem_id, int dimension, std::string problem_name);