Index: navfn/test/path_calc_test.cpp
===================================================================
--- navfn.orig/test/path_calc_test.cpp
+++ navfn/test/path_calc_test.cpp
@@ -38,7 +38,7 @@
 navfn::NavFn* make_willow_nav()
 {
   int sx,sy;
-  std::string path = ros::package::getPath( ROS_PACKAGE_NAME ) + "/test/willow_costmap.pgm";
+  std::string path = @PGM_PATH@ ;
 
   COSTTYPE *cmap = readPGM( path.c_str(), &sx, &sy, true );
   if( cmap == NULL )