diff --git a/openbsc/src/nat/bsc_mgcp_utils.c b/openbsc/src/nat/bsc_mgcp_utils.c
index 6a86933..30a5a30 100644
--- a/openbsc/src/nat/bsc_mgcp_utils.c
+++ b/openbsc/src/nat/bsc_mgcp_utils.c
@@ -27,6 +27,7 @@
 #include <openbsc/mgcp_internal.h>
 
 #include <osmocore/talloc.h>
+#include <osmocore/gsm0808.h>
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
index 74d8407..1583306 100644
--- a/openbsc/src/nat/bsc_nat_utils.c
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -30,6 +30,7 @@
 
 #include <osmocore/linuxlist.h>
 #include <osmocore/talloc.h>
+#include <osmocore/gsm0808.h>
 
 #include <sccp/sccp.h>