diff --git a/src/interrupts.rs b/src/interrupts.rs
index de314e97..f308e172 100644
--- a/src/interrupts.rs
+++ b/src/interrupts.rs
@@ -50,4 +50,5 @@ extern "x86-interrupt" fn double_fault_handler(
 
 extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: &mut ExceptionStackFrame) {
     print!(".");
+    unsafe { PICS.lock().notify_end_of_interrupt(TIMER_INTERRUPT_ID) }
 }