diff --git a/include/osmocom/mgcp_client/defs.h b/include/osmocom/mgcp_client/defs.h
new file mode 100644
index 0000000..edf27d1
--- /dev/null
+++ b/include/osmocom/mgcp_client/defs.h
@@ -0,0 +1,7 @@
+#include <osmocom/core/defs.h>
+
+#if BUILDING_LIBOSMOMGCPCLIENT
+# define OSMO_DEPRECATED_OUTSIDE_LIBOSMOMGCPCLIENT(text)
+#else
+# define OSMO_DEPRECATED_OUTSIDE_LIBOSMOMGCPCLIENT(text) OSMO_DEPRECATED(text)
+#endif