diff --git a/src/MultilevelAStarEx.cpp b/src/MultilevelAStarEx.cpp
index 7eb34fa..60e8bac 100644
--- a/src/MultilevelAStarEx.cpp
+++ b/src/MultilevelAStarEx.cpp
@@ -9,6 +9,7 @@
 #define NODES(x, y) (_nodes[(x) + (y) * _width])
 
 using namespace godot;
+using std::vector;
 
 static const int STRAIGHT_DISTANCE = 10;
 static const int DIAGONAL_DISTANCE = 14;
@@ -154,7 +155,7 @@ void MultilevelAStarEx::init(const Rect2i &region)
 
 	_nodes.resize(_width * _height);
 
-	std::vector<Node>::iterator iter = _nodes.begin();
+	vector<Node>::iterator iter = _nodes.begin();
 	for (int y = 0; y < _height; y++)
 	{
 		for (int x = 0; x < _width; x++)