diff --git a/arch/x86/irq_pit.S b/arch/x86/irq_pit.S
index e0e596b..f5e8517 100644
--- a/arch/x86/irq_pit.S
+++ b/arch/x86/irq_pit.S
@@ -39,6 +39,7 @@ pit_handler:         // already got eflags, cs and eip on stack thanks to CPU
 
   pushl %esp
   call pitIrqHandler
+  addl $4, %esp
   movl %eax,%esp
 
   /* Restore the CPU context */