diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 819ac51..4bff173 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1496,6 +1496,7 @@
 config INTERVAL_TREE_TEST
 	tristate "Interval tree test"
 	depends on m && DEBUG_KERNEL
+	select INTERVAL_TREE
 	help
 	  A benchmark measuring the performance of the interval tree library