Index: src/mactelnet.c
--- src/mactelnet.c.orig
+++ src/mactelnet.c
@@ -36,6 +36,11 @@
 #if defined(__FreeBSD__) || defined(__APPLE__)
 #include <sys/types.h>
 #include <net/ethernet.h>
+#elif defined(__OpenBSD__)
+#include <sys/types.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
 #else
 #include <netinet/ether.h>
 #endif
@@ -485,6 +490,11 @@ int main (int argc, char **argv) {
 
 			case 'n':
 				use_raw_socket = 1;
+				if(drop_priv == 0) {
+					snprintf(nonpriv_username,
+					    sizeof(nonpriv_username), "_mactelnet");
+					drop_priv = 1;
+				}
 				break;
 
 			case 'u':