diff --git a/backends/libpurple/utils.cpp b/backends/libpurple/utils.cpp
index 5269e4eb..7b935e35 100644
--- a/backends/libpurple/utils.cpp
+++ b/backends/libpurple/utils.cpp
@@ -28,6 +28,7 @@
 #include "purple.h"
 #include <algorithm>
 #include <iostream>
+#include <vector>
 
 #include "errno.h"
 
@@ -54,6 +55,10 @@
 
 #include "purple_defs.h"
 
+#include <boost/numeric/conversion/cast.hpp>
+
+using std::vector;
+
 static GHashTable *ui_info = NULL;
 
 void execute_purple_plugin_action(PurpleConnection *gc, const std::string &name) {