diff --git a/project.py b/project.py
index 46e06bf8..0a86a718 100644
--- a/project.py
+++ b/project.py
@@ -1834,7 +1834,7 @@ class Project(object):
                            objdir=objdir,
                            worktree=worktree,
                            relpath=relpath,
-                           revisionExpr=self.revisionExpr,
+                           revisionExpr=rev,
                            revisionId=rev,
                            rebase=self.rebase,
                            groups=self.groups,