diff --git a/src/SConscript b/src/SConscript
index 99f986a246..3742cdd831 100755
--- a/src/SConscript
+++ b/src/SConscript
@@ -359,6 +359,7 @@ for root, dirs, files in os.walk(base_dir, topdown=True):
 
     if 'SConscript' in files:
         build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+        Source.set_group(build_dir)
         SConscript(joinpath(root, 'SConscript'), variant_dir=build_dir)
 
 for extra_dir in extras_dir_list: