diff --git a/projects/VC90/SimGear.vcproj b/projects/VC90/SimGear.vcproj
index 34aa5752..24678e83 100644
--- a/projects/VC90/SimGear.vcproj
+++ b/projects/VC90/SimGear.vcproj
@@ -463,6 +463,8 @@
 				RelativePath="..\..\simgear\io\raw_socket.hxx"
 				>
 			</File>
+			<File RelativePath="..\..\simgear\io\HostLookup.cxx"></File>
+			<File RelativePath="..\..\simgear\io\HostLookup.hxx"></File>
 			<File
 				RelativePath="..\..\simgear\io\sg_binobj.cxx"
 				>
@@ -1463,7 +1465,7 @@
 				RelativePath="..\..\simgear\scene\tgdb\userdata.hxx"
 				>
 			</File>
-		</Filter>
+		</Filter>
 		<Filter
 			Name="Lib_sgtsync"
 			>
diff --git a/simgear/io/raw_socket.hxx b/simgear/io/raw_socket.hxx
index 1af74ce0..e3f50daf 100644
--- a/simgear/io/raw_socket.hxx
+++ b/simgear/io/raw_socket.hxx
@@ -24,10 +24,7 @@
 #define SG_IO_SOCKET_HXX
 
 #include <errno.h>
-
-#if defined(__APPLE__) || defined(__FreeBSD__)
-#  include <netinet/in.h>
-#endif
+#include <netinet/in.h>
 
 namespace simgear
 {