diff --git a/arch/x86_64/src/start.rs b/arch/x86_64/src/start.rs
index 448800959f7142c54a3682c9b9c4a2e3b615d8b7..8af0168d8982a7791dfb0de334ac4ae165051b0d 100644
--- a/arch/x86_64/src/start.rs
+++ b/arch/x86_64/src/start.rs
@@ -120,6 +120,9 @@ pub unsafe extern fn kstart() -> ! {
         // Read ACPI tables, starts APs
         acpi::init(&mut active_table);
 
+        // Clear pending IRQs
+        interrupt::irq::acknowledge(8);
+
         BSP_READY.store(true, Ordering::SeqCst);
     }