--- a/src/passivedns.c	2025-04-29 19:31:15.402946407 +0200
+++ b/src/passivedns.c	2025-04-29 19:32:31.002344684 +0200
@@ -1489,8 +1489,22 @@
     }
     else {
         /* Look up an available device if non specified */
-        if (config.dev == 0x0)
-            config.dev = pcap_lookupdev(config.errbuf);
+        if (config.dev == 0x0) {
+            /* fix for libcap >=1.9, per 
+               https://stackoverflow.com/questions/64401044/pcap-lookupdev-is-deprecated-l-how-to-resolve-it */
+            char *device;
+            pcap_t *handle;
+            pcap_if_t *all_devs;
+
+            if(pcap_findalldevs(&all_devs, config.errbuf) == -1){
+                olog("[*] Error finding devices! %s \n", config.errbuf);
+            }
+
+            if (all_devs == NULL) {
+                olog("[*] Error finding devices: %s\n", config.errbuf);
+            }
+            config.dev = all_devs->name;
+        }
         olog("[*] Device: %s\n", config.dev);
 
         if ((config.handle = pcap_open_live(config.dev, SNAPLENGTH, config.promisc, 500,