diff --git a/index/example/Jamfile.v2 b/index/example/Jamfile.v2
index 065f49b98..5cfa81a0c 100644
--- a/index/example/Jamfile.v2
+++ b/index/example/Jamfile.v2
@@ -18,7 +18,7 @@ import os ;
 
 project boost-geometry-index-example
     : requirements
-        <source>/boost//headers
+        <implicit-dependency>/boost//headers
     ;
 
 local GLUT_ROOT = [ os.environ GLUT_ROOT ] ;