diff --git a/Kernel/Arch/x86/IRQController.h b/Kernel/Arch/x86/IRQController.h
index 43d12f561c..82afa739b4 100644
--- a/Kernel/Arch/x86/IRQController.h
+++ b/Kernel/Arch/x86/IRQController.h
@@ -8,6 +8,7 @@
 
 #include <AK/RefCounted.h>
 #include <AK/Types.h>
+#include <Kernel/Interrupts/GenericInterruptHandler.h>
 
 namespace Kernel {