diff --git a/src/tools/testing-aux.jam b/src/tools/testing-aux.jam
index a264e4c35..30309fbb8 100644
--- a/src/tools/testing-aux.jam
+++ b/src/tools/testing-aux.jam
@@ -1,3 +1,5 @@
+import feature ;
+
 # This module is imported by testing.py. The definitions here are
 # too tricky to do in Python