diff --git a/src/git-rustfmt/main.rs b/src/git-rustfmt/main.rs
index 3059d917c6b..5674f40bef9 100644
--- a/src/git-rustfmt/main.rs
+++ b/src/git-rustfmt/main.rs
@@ -1,3 +1,7 @@
+// We need this feature as it changes `dylib` linking behavior and allows us to link to
+// `rustc_driver`.
+#![feature(rustc_private)]
+
 #[macro_use]
 extern crate tracing;