diff --git a/bwi_mapper/src/nodes/generate_graph.cpp b/bwi_mapper/src/nodes/generate_graph.cpp
index 62407957..c5911280 100755
--- a/bwi_mapper/src/nodes/generate_graph.cpp
+++ b/bwi_mapper/src/nodes/generate_graph.cpp
@@ -61,7 +61,7 @@ int main(int argc, char** argv) {
   std::string filename(argv[2]);
   mapper.writePointGraphToFile(filename);
 
-  cv::namedWindow("Display window", cv::WINDOW_AUTOSIZE);
+  cv::namedWindow("Display window", CV_WINDOW_AUTOSIZE);
   cv::imshow("Display window", image);                
 
   cv::waitKey(0); // Wait for a keystroke in the window