diff --git a/rust.spec b/rust.spec
index 3c41af9..0e22e61 100644
--- a/rust.spec
+++ b/rust.spec
@@ -36,6 +36,7 @@
 %global _arch i586
 %endif
 %global rust_triple %{_arch}-unknown-linux-%{abi}
+%bcond_with bootstrap
 Name:           rust
 Version:        1.15.1
 Release:        0