1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/lib/devtool/upgrade.py b/scripts/lib/devtool/upgrade.py
index 0dace1fb24..d9aca6e2db 100644
--- a/scripts/lib/devtool/upgrade.py
+++ b/scripts/lib/devtool/upgrade.py
@@ -571,7 +571,7 @@ def upgrade(args, config, basepath, workspace):
         else:
             srctree = standard.get_default_srctree(config, pn)
 
-        srctree_s = standard.get_real_srctree(srctree, rd.getVar('S'), rd.getVar('WORKDIR'))
+        srctree_s = standard.get_real_srctree(srctree, rd.getVar('S'), rd.getVar('UNPACKDIR'))
 
         # try to automatically discover latest version and revision if not provided on command line
         if not args.version and not args.srcrev: