diff --git a/include/net/codel_impl.h b/include/net/codel_impl.h
index 137d40d..78a27ac 100644
--- a/include/net/codel_impl.h
+++ b/include/net/codel_impl.h
@@ -49,6 +49,8 @@
  * Implemented on linux by Dave Taht and Eric Dumazet
  */
 
+#include <net/inet_ecn.h>
+
 static void codel_params_init(struct codel_params *params)
 {
 	params->interval = MS2TIME(100);