diff --git a/FileManager.cpp b/FileManager.cpp
index 6af40ec..7940de2 100755
--- a/FileManager.cpp
+++ b/FileManager.cpp
@@ -24,6 +24,7 @@
 #include "Settings.h"
 #include <sstream>
 #include <vector>
+#include <cstdlib>
 #include <math.h>
 
 using namespace std;
diff --git a/FolderSetting.cpp b/FolderSetting.cpp
index f4a79ef..826bca8 100644
--- a/FolderSetting.cpp
+++ b/FolderSetting.cpp
@@ -21,6 +21,7 @@
 #include "UserInterface.h"
 #include <sys/stat.h>
 #include <string.h>
+#include <cstdlib>
 
 FolderSetting::FolderSetting(UserInterface ui, string name, string description, 
                            string settings_change_prompt, string default_param)
diff --git a/StartMode.cpp b/StartMode.cpp
index 978dd4d..23993cb 100644
--- a/StartMode.cpp
+++ b/StartMode.cpp
@@ -25,7 +25,8 @@
 #include <dirent.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <iostream>
+#include <cstdlib>
+#include <string.h>
 
 StartMode::StartMode(UserInterface& ui, VectorSourceManager& man,
                      FileManager& fileman, AnalyzeMedia& analyze,