diff --git a/configdir.c b/configdir.c
new file mode 100644
index 0000000..c9f7de8
--- /dev/null
+++ b/configdir.c
@@ -0,0 +1,91 @@
+/*
+ *  Copyright (C) 2013 Tox project All Rights Reserved.
+ *
+ *  This file is part of Tox.
+ *
+ *  Tox is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Tox is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Tox.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef _win32
+#include <shlobj.h>
+#endif
+
+#ifdef __APPLE__
+#include <sys/types.h>
+#include <unistd.h>
+#include <pwd.h>
+#endif
+
+char *get_user_config_dir(void)
+{
+	char *user_config_dir;
+
+	#ifdef _win32
+
+	char appdata[MAX_PATH];
+	HRESULT result = SHGetFolderPath(
+		NULL,
+		CSIDL_APPDATA, // TODO: Maybe use CSIDL_LOCAL_APPDATA instead? Not sure.
+		NULL,
+		SHGFP_TYPE_CURRENT,
+		appdata
+	)
+	if (!result) return NULL;
+
+	user_config_dir = malloc(strlen(appdata) + strlen(CONFIGDIR) + 1);
+	if (user_config_dir) {
+		strcpy(user_config_dir, appdata);
+		strcat(user_config_dir, CONFIGDIR);
+	}
+	return user_config_dir;
+
+	#elif defined __APPLE__
+
+	struct passwd *pass = getpwuid(getuid());
+	if (!pass) return NULL;
+	char *home = pass->pw_dir;
+	user_config_dir = malloc(strlen(home) + strlen("/Library/Application Support") + strlen(CONFIGDIR) + 1);
+	
+	if(user_config_dir) {
+		strcpy(user_config_dir, home);
+		strcat(user_config_dir, "/Library/Application Support");
+		strcat(user_config_dir, CONFIGDIR);
+	}
+	return user_config_dir;
+
+	#else
+
+	if (getenv("XDG_CONFIG_HOME")) {
+		user_config_dir = malloc(strlen(getenv("XDG_CONFIG_HOME")) + strlen(CONFIGDIR) + 1);
+		if (user_config_dir) {
+			strcpy(user_config_dir, getenv("XDG_CONFIG_HOME"));
+			strcat(user_config_dir, CONFIGDIR);
+		}
+	} else {
+		user_config_dir = malloc(strlen(getenv("HOME")) + strlen("/.config") + strlen(CONFIGDIR) + 1);
+		if (user_config_dir) {
+			strcpy(user_config_dir, getenv("HOME"));
+			strcat(user_config_dir, "/.config");
+			strcat(user_config_dir, CONFIGDIR);
+		}
+	}
+	return user_config_dir;
+
+	#endif
+}
\ No newline at end of file
diff --git a/configdir.h b/configdir.h
new file mode 100644
index 0000000..441ffda
--- /dev/null
+++ b/configdir.h
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2013 Tox project All Rights Reserved.
+ *
+ *  This file is part of Tox.
+ *
+ *  Tox is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Tox is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Tox.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifdef _win32
+#define CONFIGDIR "\\toxic\\"
+#else
+#define CONFIGDIR "/toxic/"
+#endif
+
+char *get_user_config_dir(void);
\ No newline at end of file
diff --git a/main.c b/main.c
index b2310c8..ec439c8 100644
--- a/main.c
+++ b/main.c
@@ -11,6 +11,7 @@
 #include "../../core/Messenger.h"
 #include "../../core/network.h"
 
+#include "configdir.h"
 #include "windows.h"
 
 extern ToxWindow new_prompt();
@@ -331,7 +332,24 @@ int main(int argc, char *argv[])
 {
   int ch;
   int f_flag = 0;
-  char *filename = "data";
+  char *configdir = get_user_config_dir();
+  char *default_file = "data";
+  int mkdir_err
+  #ifdef _win32
+  mkdir_err = _mkdir(configdir);
+  #else
+  mkdir_err = mkdir(configdir, 0700);
+  #endif
+
+  char *filename;
+  if(mkdir_err == -1) {
+    filename = default_file;
+  } else {
+    filename = malloc(strlen(configdir) + strlen(default_file) + 1);
+    strcpy(filename, configdir);
+    strcat(filename, default_file);
+  }
+  
   ToxWindow* a;
 
   int i = 0;