diff --git a/src/driver.rs b/src/driver.rs
index 73746798601d..711b2e6fbd95 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -126,7 +126,7 @@ fn build_controller(&mut self, sess: &Session, matches: &getopts::Matches) -> dr
 
 #[allow(print_stdout)]
 fn show_version() {
-    println!("{}", env!("CARGO_PKG_VERSION"));
+    println!(env!("CARGO_PKG_VERSION");
 }
 
 pub fn main() {