diff --git a/openbsc/tests/trau/trau_test.c b/openbsc/tests/trau/trau_test.c
index b95f1e8..c74e6db 100644
--- a/openbsc/tests/trau/trau_test.c
+++ b/openbsc/tests/trau/trau_test.c
@@ -66,6 +66,8 @@
 	unsigned char data[33];
 	int i;
 
+	msgb_talloc_ctx_init(NULL, 0);
+
 	memset(data, 0x00, sizeof(data));
 	test_trau_fr_efr(data);
 	memset(data, 0xff, sizeof(data));