1 files changed, 2 insertions, 2 deletions
diff --git a/tool/vcs.rb b/tool/vcs.rb
index 90aaf6f061..52c0860177 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -195,9 +195,9 @@ class VCS
     end
 
     def export(revision, url, dir)
-      if @srcdir
+      if @srcdir and (rootdir = wcroot)
         srcdir = File.realpath(@srcdir)
-        rootdir = wcroot+"/"
+        rootdir << "/"
         if srcdir.start_with?(rootdir)
           subdir = srcdir[rootdir.size..-1]
           subdir = nil if subdir.empty?