diff --git a/tests/test-utils.c b/tests/test-utils.c
index fa7f460..b475cd6 100644
--- a/tests/test-utils.c
+++ b/tests/test-utils.c
@@ -25,6 +25,7 @@
 	struct mctp_binding_test *test;
 
 	test = __mctp_alloc(sizeof(*test));
+	memset(test, '\0', sizeof(*test));
 	test->binding.name = "test";
 	test->binding.version = 1;
 	test->binding.tx = mctp_binding_test_tx;