diff --git a/libjack/client.c b/libjack/client.c
index f00dee9..808e8dc 100644
--- a/libjack/client.c
+++ b/libjack/client.c
@@ -308,7 +308,7 @@ jack_client_alloc ()
 {
 	jack_client_t *client;
 
-	if ((client = (jack_client_t *) malloc (sizeof (jack_client_t))) == NULL) {
+	if ((client = (jack_client_t *) calloc (1, sizeof (jack_client_t))) == NULL) {
 		return NULL;
 	}
 
@@ -348,7 +348,7 @@ jack_client_alloc ()
 {
 	jack_client_t *client;
 
-	if ((client = (jack_client_t *) malloc (sizeof (jack_client_t))) == NULL) {
+	if ((client = (jack_client_t *) calloc (1, sizeof (jack_client_t))) == NULL) {
 		return NULL;
 	}
 	if ((client->pollfd = (struct pollfd *) malloc (sizeof (struct pollfd) * 2)) == NULL) {