diff --git a/lib/lwres/lwconfig.c b/lib/lwres/lwconfig.c
index 38a62c9edf..f015c08082 100644
--- a/lib/lwres/lwconfig.c
+++ b/lib/lwres/lwconfig.c
@@ -69,6 +69,7 @@
 
 #include "assert_p.h"
 #include "context_p.h"
+#include "print_p.h"
 
 
 #if ! defined(NS_INADDRSZ)