diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs
index af30747a9592e..ffdde85d7656b 100644
--- a/src/bootstrap/dist.rs
+++ b/src/bootstrap/dist.rs
@@ -1005,6 +1005,7 @@ impl Step for Src {
         // (essentially libstd and all of its path dependencies)
         let std_src_dirs = [
             "src/build_helper",
+            "src/backtrace",
             "src/liballoc",
             "src/libcore",
             "src/libpanic_abort",