diff --git a/src/cargo/ops/cargo_new.rs b/src/cargo/ops/cargo_new.rs
index 309c75c6175..5a4079ddc6a 100644
--- a/src/cargo/ops/cargo_new.rs
+++ b/src/cargo/ops/cargo_new.rs
@@ -316,7 +316,7 @@ fn mk(config: &Config, opts: &MkOptions) -> CargoResult<()> {
     let path = opts.path;
     let name = opts.name;
     let cfg = try!(global_config(config));
-    let mut ignore = "target\n".to_string();
+    let mut ignore = "target\n*.bk\n".to_string();
     let in_existing_vcs_repo = existing_vcs_repo(path.parent().unwrap(), config.cwd());
     if !opts.bin {
         ignore.push_str("Cargo.lock\n");