diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f253bf..288d80c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (mastobotmon
-         VERSION 0.3.8
+         VERSION 0.3.9
          LANGUAGES CXX)
 
 include(GNUInstallDirs)
diff --git a/src/config.cpp b/src/config.cpp
index 4987cff..056aaf9 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -40,8 +40,9 @@ const bool read_config()
     {
         json << file.rdbuf();
         file.close();
+        json >> config;
 
-        if (json >> config)
+        if (!config.isObject())
         {
             cerr << "ERROR: couldn't parse config file. Are you sure the JSON is well-formed?\n";
             return false;
diff --git a/src/mastobotmon.cpp b/src/mastobotmon.cpp
index 72cdfc0..7aa3ce2 100644
--- a/src/mastobotmon.cpp
+++ b/src/mastobotmon.cpp
@@ -97,8 +97,8 @@ const bool write_statistics(const string &straccount, Easy::Account &account_ent
 
         ss << std::put_time(&now_tm, "%Y-%m-%dT%T");
         output = ss.str() + ';';
-        output += account_entity.statuses_count() + ';';
-        output += account_entity.followers_count() + '\n';
+        output += std::to_string(account_entity.statuses_count()) + ';';
+        output += std::to_string(account_entity.followers_count()) + '\n';
         outfile.write(output.c_str(), output.length());
         outfile.close();