diff --git a/project-root.jam b/project-root.jam
index 0fa2393c8..240efd24e 100644
--- a/project-root.jam
+++ b/project-root.jam
@@ -312,7 +312,8 @@ module project-root-context
     {
         import project ;
         import path ;
-        project.use $(id) : [ path.root $(location) [ project-root get-location ] ] ;
+        project.use $(id) : [ path.root 
+            [ path.make $(location) ] [ project-root get-location ] ] ;
     }
 }
 
diff --git a/src/build/project.jam b/src/build/project.jam
index 2af9fb2fe..43d6291fe 100644
--- a/src/build/project.jam
+++ b/src/build/project.jam
@@ -608,7 +608,8 @@ module project-rules {
     {
         import project ;
         local attributes = [ project.attributes $(__name__) ] ;
-        project.use $(id) : [ path.root $(where) [ $(attributes).get location ] ] ;
+        project.use $(id) : [ path.root 
+            [ path.make $(where) ] [ $(attributes).get location ] ] ;
     }
 
     rule build-project ( dir )