diff --git a/xtoskrnl/includes/xtos.h b/xtoskrnl/includes/xtos.h
index ee2a309..df42c82 100644
--- a/xtoskrnl/includes/xtos.h
+++ b/xtoskrnl/includes/xtos.h
@@ -22,6 +22,7 @@
 
 #include ARCH_HEADER(globals.h)
 #include ARCH_HEADER(ar.h)
+#include ARCH_HEADER(hl.h)
 #include ARCH_HEADER(ke.h)
 #include ARCH_HEADER(mm.h)
 #include ARCH_HEADER(rtl.h)