--- modules/mono/SCsub.orig	2018-01-03 10:12:46 UTC
+++ modules/mono/SCsub
@@ -147,7 +147,7 @@ def mono_build_solution(source, target, 
         msbuild_path = msbuild_info[0]
         framework_path_override = msbuild_info[1]
     else:
-        msbuild_path = find_msbuild_unix('msbuild')
+        msbuild_path = find_msbuild_unix('xbuild')
         if msbuild_path is None:
             xbuild_fallback = env['xbuild_fallback']