diff --git a/utils/vtex/wscript b/utils/vtex/wscript
index ee242f94..cc299e12 100755
--- a/utils/vtex/wscript
+++ b/utils/vtex/wscript
@@ -40,7 +40,10 @@ def build(bld):
 
 	defines = []
 
-	libs = ['tier0', 'tier1', 'bitmap', 'tier2', 'vstdlib', 'mathlib', 'vtf', 'JPEG', 'PNG']
+	libs = ['tier0', 'tier1', 'bitmap', 'tier2', 'vstdlib', 'mathlib', 'vtf', 'JPEG', 'PNG', 'ZLIB']
+
+	if bld.env.DEST_OS == 'win32':
+		libs += ['USER32','GDI32']
 
 	install_path = bld.env.LIBDIR