diff --git a/core/SAL/Memory.cc b/core/SAL/Memory.cc
index ac9c0573..fbd2a786 100644
--- a/core/SAL/Memory.cc
+++ b/core/SAL/Memory.cc
@@ -8,5 +8,5 @@
 
 namespace sal
 {
-	const guest_address_t ADDR_INV = NULL;
+	const guest_address_t ADDR_INV = 0;
 }