diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat_ctrl.c b/openbsc/src/osmo-bsc_nat/bsc_nat_ctrl.c
index 4b59b40..439bf33 100644
--- a/openbsc/src/osmo-bsc_nat/bsc_nat_ctrl.c
+++ b/openbsc/src/osmo-bsc_nat/bsc_nat_ctrl.c
@@ -29,6 +29,7 @@
 
 #include <openbsc/ctrl.h>
 #include <openbsc/bsc_nat.h>
+#include <openbsc/bsc_msg_filter.h>
 #include <openbsc/vty.h>
 #include <openbsc/gsm_data.h>