diff --git a/src/address.c b/src/address.c
index ac58b57..d919b2d 100644
--- a/src/address.c
+++ b/src/address.c
@@ -11,6 +11,8 @@ patty_ax25_address *patty_ax25_address_create(const char *callsign, int ssid) {
         goto error_malloc_addr;
     }
 
+    memset(addr, '\0', sizeof(*addr));
+
     memcpy(addr->callsign, callsign, sizeof(addr->callsign));
 
     addr->ssid = ssid;