diff --git a/devices/src/ioapic.rs b/devices/src/ioapic.rs
index dadec0969..07b36b653 100644
--- a/devices/src/ioapic.rs
+++ b/devices/src/ioapic.rs
@@ -346,9 +346,9 @@ impl Ioapic {
 
         // Generate MSI message address
         let low_addr: u32 = self.apic_address.0 as u32
-            | u32::from(destination_id) << 12
-            | u32::from(redirection_hint) << 3
-            | u32::from(destination_mode) << 2;
+            | (u32::from(destination_id) << 12)
+            | (u32::from(redirection_hint) << 3)
+            | (u32::from(destination_mode) << 2);
 
         // Validate Trigger Mode value
         let trigger_mode = trigger_mode(entry);
@@ -372,9 +372,9 @@ impl Ioapic {
         }
 
         // Generate MSI message data
-        let data: u32 = u32::from(trigger_mode) << 15
-            | u32::from(remote_irr(entry)) << 14
-            | u32::from(delivery_mode) << 8
+        let data: u32 = (u32::from(trigger_mode) << 15)
+            | (u32::from(remote_irr(entry)) << 14)
+            | (u32::from(delivery_mode) << 8)
             | u32::from(vector(entry));
 
         let config = MsiIrqSourceConfig {
diff --git a/devices/src/legacy/cmos.rs b/devices/src/legacy/cmos.rs
index 492e832fb..386281c67 100644
--- a/devices/src/legacy/cmos.rs
+++ b/devices/src/legacy/cmos.rs
@@ -152,7 +152,7 @@ impl BusDevice for Cmos {
                     0x08 => to_bcd(month as u8),
                     0x09 => to_bcd((year % 100) as u8),
                     // Bit 5 for 32kHz clock. Bit 7 for Update in Progress
-                    0x0a => 1 << 5 | (update_in_progress as u8) << 7,
+                    0x0a => (1 << 5) | ((update_in_progress as u8) << 7),
                     // Bit 0-6 are reserved and must be 0.
                     // Bit 7 must be 1 (CMOS has power)
                     0x0d => 1 << 7,