diff --git a/base/kmod/kmod.conf b/base/kmod/kmod.conf
index d746563fe..ef66a5f67 100644
--- a/base/kmod/kmod.conf
+++ b/base/kmod/kmod.conf
@@ -15,6 +15,9 @@
 prefix=
 set_confopt
 
+# always regenerate autotools files
+hook_add preconf 9 'autoreconf -vfi'
+
 # always build a static library
 var_append extraconfopt ' ' "--enable-static"