diff --git a/Cargo.toml b/Cargo.toml
index c46ba7c414..417d76c54c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,5 @@
+cargo-features = ["default-run"]
+
 [package]
 authors = ["Scott Olson <scott@solson.me>"]
 description = "An experimental interpreter for Rust MIR."
@@ -6,6 +8,7 @@ name = "miri"
 repository = "https://github.com/solson/miri"
 version = "0.1.0"
 build = "build.rs"
+default-run = "miri"
 
 [[bin]]
 doc = false
diff --git a/README.md b/README.md
index d515aad8be..8c476270db 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ how to fix it, you could send a PR. :smile:
 ## Running tests
 
 ```sh
-cargo run --bin miri tests/run-pass-fullmir/vecs.rs # Or whatever test you like.
+cargo run tests/run-pass/vecs.rs # Or whatever test you like.
 ```
 
 ## Running miri on your own project('s test suite)
@@ -63,7 +63,7 @@ RUSTFLAGS='-Zalways-encode-mir' xargo build
 Now you can run miri against the libstd compiled by xargo:
 
 ```sh
-MIRI_SYSROOT=~/.xargo/HOST cargo run --bin miri tests/run-pass-fullmir/hashmap.rs
+MIRI_SYSROOT=~/.xargo/HOST cargo run tests/run-pass-fullmir/hashmap.rs
 ```
 
 Notice that you will have to re-run the last step of the preparations above when