diff --git a/library/std/src/sys/windows/mod.rs b/library/std/src/sys/windows/mod.rs
index 4334447b8b1..a0d5a7471d8 100644
--- a/library/std/src/sys/windows/mod.rs
+++ b/library/std/src/sys/windows/mod.rs
@@ -281,11 +281,7 @@ macro_rules! impl_is_zero {
 impl_is_zero! { i8 i16 i32 i64 isize u8 u16 u32 u64 usize }
 
 pub fn cvt<I: IsZero>(i: I) -> crate::io::Result<I> {
-    if i.is_zero() {
-        Err(crate::io::Error::last_os_error())
-    } else {
-        Ok(i)
-    }
+    if i.is_zero() { Err(crate::io::Error::last_os_error()) } else { Ok(i) }
 }
 
 pub fn dur2timeout(dur: Duration) -> c::DWORD {