1 files changed, 1 insertions, 1 deletions
diff --git a/io.c b/io.c
index ab40e72c30..b8d2e5bca5 100644
--- a/io.c
+++ b/io.c
@@ -154,7 +154,7 @@ static int max_file_descriptor = NOFILE;
 void
 rb_update_max_fd(int fd)
 {
-    if (max_file_descriptor < (fd)) max_file_descriptor = (fd);
+    if (max_file_descriptor < fd) max_file_descriptor = fd;
 }
 
 #define argf_of(obj) (*(struct argf *)DATA_PTR(obj))