diff --git a/xtoskrnl/includes/kei.h b/xtoskrnl/includes/kei.h
index 76c0795..c6b8f59 100644
--- a/xtoskrnl/includes/kei.h
+++ b/xtoskrnl/includes/kei.h
@@ -13,6 +13,10 @@
 
 
 /* Kernel services routines forward references */
+XTAPI
+PKERNEL_INITIALIZATION_BLOCK
+KeGetInitializationBlock(VOID);
+
 XTAPI
 VOID
 KeClearEvent(IN PKEVENT Event);