diff --git a/ddbridge/ddbridge-max.c b/ddbridge/ddbridge-max.c
index 23e3218..c893247 100644
--- a/ddbridge/ddbridge-max.c
+++ b/ddbridge/ddbridge-max.c
@@ -114,10 +114,14 @@ static int max_send_master_cmd(struct dvb_frontend *fe,
 	if (cmd->msg_len &&
 	    cmd->msg_len == input_diseqc_sequence_length &&
 	    !memcmp(cmd->msg, input_diseqc_sequence, cmd->msg_len - 1)) {
+#ifdef KERNEL_DVB_CORE
+		return max_set_input(fe, cmd->msg[cmd->msg_len - 1] & 0x0f);
+#else
 		if (dvb->fe->ops.set_input == max_set_input)
 			return max_set_input(fe, cmd->msg[cmd->msg_len - 1] & 0x0f);
 		else
 			return 0;
+#endif
 	}
 	if (dvb->diseqc_send_master_cmd)
 		dvb->diseqc_send_master_cmd(fe, cmd);
diff --git a/include/dd_compat.h b/include/dd_compat.h
index 63449c7..aaf6807 100644
--- a/include/dd_compat.h
+++ b/include/dd_compat.h
@@ -28,6 +28,9 @@
 #define APSK_128 21
 #define APSK_256 22
 #define APSK_256_L 23
+
+#define SYS_ATSC3 (SYS_DVBC2+1)
+#define SYS_ISDBS3 (SYS_ATSC3+1)
 #endif
 
 #if 0