diff --git a/reactos/ntoskrnl/ntoskrnl.xml b/reactos/ntoskrnl/ntoskrnl.xml
index b200bdf1a29..faa7b6863aa 100644
--- a/reactos/ntoskrnl/ntoskrnl.xml
+++ b/reactos/ntoskrnl/ntoskrnl.xml
@@ -4,7 +4,6 @@
 	<define name="_SEH_NO_NATIVE_NLG" />
 	<define name="_DISABLE_TIDENTS" />
 	<define name="__NTOSKRNL__" />
-	<define name="__3GB__" />
 	<include base="kjs">include</include>
 	<include base="ntoskrnl">include</include>
 	<library>csq</library>
diff --git a/reactos/tools/rbuild/module.cpp b/reactos/tools/rbuild/module.cpp
index 0eb61ab41d3..41651aa7f4d 100644
--- a/reactos/tools/rbuild/module.cpp
+++ b/reactos/tools/rbuild/module.cpp
@@ -584,7 +584,7 @@ Module::GetDefaultModuleBaseaddress () const
 	switch ( type )
 	{
 		case Kernel:
-			return "0xc0000000";
+			return "0x80000000";
 		case Win32DLL:
 			return "0x10000000";
 		case NativeDLL: