diff --git a/src/can.c b/src/can.c
index 57bd50c..d469faa 100644
--- a/src/can.c
+++ b/src/can.c
@@ -35,6 +35,8 @@ hexagram_can_if *hexagram_can_if_open(const char *name) {
         goto error_ioctl_siocgifindex;
     }
 
+    memset(&can_if->addr, '\0', sizeof(can_if->addr));
+
     can_if->addr.can_family  = AF_CAN;
     can_if->addr.can_ifindex = can_if->ifr.ifr_ifindex;