diff --git a/.b4-config b/.b4-config
index 1943458f2f..d568669864 100644
--- a/.b4-config
+++ b/.b4-config
@@ -3,5 +3,6 @@
 [b4]
     send-series-to = buildroot@buildroot.org
     send-auto-cc-cmd = "./utils/get-developers -e -"
+    prep-perpatch-check-cmd = "./utils/check-package -q -p -"
 
 # vim: set filetype=gitconfig: