diff --git a/src/if.c b/src/if.c
index a8d4d7e..9a40546 100644
--- a/src/if.c
+++ b/src/if.c
@@ -165,7 +165,7 @@ static patty_ax25_addr *find_addr(patty_ax25_if *iface,
     while (item) {
         patty_ax25_addr *cur = item->value;
 
-        if (memcpy(&addr->callsign,
+        if (memcmp(&addr->callsign,
                    &cur->callsign,
                    sizeof(addr->callsign)) == 0) {
             return addr;