diff --git a/mgba-test-runner/build.rs b/mgba-test-runner/build.rs
index c89d6c2..ee18689 100644
--- a/mgba-test-runner/build.rs
+++ b/mgba-test-runner/build.rs
@@ -11,7 +11,7 @@ fn main() {
         .arg(&out_path)
         .output()
         .expect("should be able to build mgba");
-    println!("cargo:rustc-link-search={}", out_path.to_str().unwrap()); 
+    println!("cargo:rustc-link-search={}", out_path.to_str().unwrap());
     println!("cargo:rustc-link-lib=static={}", "mgba-cycle");
     println!("cargo:rustc-link-lib=z");
     println!("cargo:rustc-link-lib=elf");