diff --git a/bwi_mapper/test/test_graph.cpp b/bwi_mapper/test/test_graph.cpp
index aa132c10..41cfeeab 100755
--- a/bwi_mapper/test/test_graph.cpp
+++ b/bwi_mapper/test/test_graph.cpp
@@ -58,7 +58,7 @@ int main(int argc, char** argv) {
   mapper.drawOutput(image);
   mapper.saveOutput();
 
-  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