diff --git a/src/naive/date/mod.rs b/src/naive/date/mod.rs
index 945bb4c27..4977b7daa 100644
--- a/src/naive/date/mod.rs
+++ b/src/naive/date/mod.rs
@@ -1142,7 +1142,7 @@ impl NaiveDate {
         let mut years = self.year() - base.year();
         // Comparing tuples is not (yet) possible in const context. Instead we combine month and
         // day into one `u32` for easy comparison.
-        if (self.month() << 5 | self.day()) < (base.month() << 5 | base.day()) {
+        if ((self.month() << 5) | self.day()) < ((base.month() << 5) | base.day()) {
             years -= 1;
         }
 
diff --git a/src/naive/date/tests.rs b/src/naive/date/tests.rs
index 6ae6867fc..2e2c2c396 100644
--- a/src/naive/date/tests.rs
+++ b/src/naive/date/tests.rs
@@ -181,7 +181,7 @@ fn test_date_from_yo() {
     assert_eq!(from_yo(2012, 300), Some(ymd(2012, 10, 26)));
     assert_eq!(from_yo(2012, 366), Some(ymd(2012, 12, 31)));
     assert_eq!(from_yo(2012, 367), None);
-    assert_eq!(from_yo(2012, 1 << 28 | 60), None);
+    assert_eq!(from_yo(2012, (1 << 28) | 60), None);
 
     assert_eq!(from_yo(2014, 0), None);
     assert_eq!(from_yo(2014, 1), Some(ymd(2014, 1, 1)));
@@ -406,7 +406,7 @@ fn test_date_with_ordinal() {
     assert_eq!(d.with_ordinal(61), Some(NaiveDate::from_ymd_opt(2000, 3, 1).unwrap()));
     assert_eq!(d.with_ordinal(366), Some(NaiveDate::from_ymd_opt(2000, 12, 31).unwrap()));
     assert_eq!(d.with_ordinal(367), None);
-    assert_eq!(d.with_ordinal(1 << 28 | 60), None);
+    assert_eq!(d.with_ordinal((1 << 28) | 60), None);
     let d = NaiveDate::from_ymd_opt(1999, 5, 5).unwrap();
     assert_eq!(d.with_ordinal(366), None);
     assert_eq!(d.with_ordinal(u32::MAX), None);