diff --git a/buildroot-2021.05/package/busybox/busybox.config b/buildroot-2021.05/package/busybox/busybox.config
index d7d58f064..b268cd6f8 100644
--- a/buildroot-2021.05/package/busybox/busybox.config
+++ b/buildroot-2021.05/package/busybox/busybox.config
@@ -304,7 +304,7 @@ CONFIG_TEST=y
 CONFIG_TEST1=y
 CONFIG_TEST2=y
 CONFIG_FEATURE_TEST_64=y
-# CONFIG_TIMEOUT is not set
+CONFIG_TIMEOUT=y
 CONFIG_TOUCH=y
 # CONFIG_FEATURE_TOUCH_NODEREF is not set
 CONFIG_FEATURE_TOUCH_SUSV3=y