diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index c36fb10510..c1598d5752 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -450,8 +450,9 @@ def build(bld):
         obj.uselib += ' AUDIOUNITS OSX GTKOSX'
         obj.use    += ' libappleutility'
         obj.source += [ 'cocoacarbon.mm', 'bundle_env_cocoa.cc' ]
-    elif sys.platform == 'mingw':
+    elif bld.env['build_target'] == 'mingw':
         obj.source += [ 'bundle_env_mingw.cc' ]
+        obj.lib = 'comdlg32'
     else:
         obj.source += [ 'bundle_env_linux.cc' ]