diff --git a/src/gb/gprs_bssgp_internal.h b/src/gb/gprs_bssgp_internal.h
new file mode 100644
index 0000000..2ada027
--- /dev/null
+++ b/src/gb/gprs_bssgp_internal.h
@@ -0,0 +1,7 @@
+
+#pragma once
+
+#include <osmocom/gprs/gprs_bssgp.h>
+
+extern bssgp_bvc_send bssgp_ns_send;
+extern void *bssgp_ns_send_data;