diff --git a/src/test/run-pass/c-stack-returning-int64.rs b/src/test/run-pass/c-stack-returning-int64.rs
index 33e8b73a4959..13e1ab0de686 100644
--- a/src/test/run-pass/c-stack-returning-int64.rs
+++ b/src/test/run-pass/c-stack-returning-int64.rs
@@ -16,5 +16,6 @@ fn atoll(s: str) -> i64 {
 
 fn main() {
     assert atol("1024") * 10 == atol("10240");
-    assert (atoll("11111111111111111") * 10i64) == atoll("111111111111111110");
+    assert (atoll("11111111111111111") * 10i64)
+        == atoll("111111111111111110");
 }