diff --git a/lib/std/os.zig b/lib/std/os.zig
index 7fc63d785..0b09b1f82 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -2107,7 +2107,7 @@ pub fn renameatW(
         .ACCESS_DENIED => return error.AccessDenied,
         .OBJECT_NAME_NOT_FOUND => return error.FileNotFound,
         .OBJECT_PATH_NOT_FOUND => return error.FileNotFound,
-        .NOT_SAME_DEVICE => error.RenameAcrossMountPoints,
+        .NOT_SAME_DEVICE => return error.RenameAcrossMountPoints,
         else => return windows.unexpectedStatus(rc),
     }
 }