diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index f4fa556b97450..a3d1893afbb65 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -647,9 +647,10 @@ impl Build {
         if !update(true).status().map_or(false, |status| status.success()) {
             self.run(&mut update(false));
         }
-
+        self.run(Command::new("git").args(&["stash", "push"]).current_dir(&absolute_path));
         self.run(Command::new("git").args(&["reset", "-q", "--hard"]).current_dir(&absolute_path));
-        self.run(Command::new("git").args(&["clean", "-qdfx"]).current_dir(absolute_path));
+        self.run(Command::new("git").args(&["clean", "-qdfx"]).current_dir(&absolute_path));
+        self.run(Command::new("git").args(&["stash", "pop"]).current_dir(absolute_path));
     }
 
     /// If any submodule has been initialized already, sync it unconditionally.