diff --git a/src/modules/syslink/syslink_main.h b/src/modules/syslink/syslink_main.h
index 5311d9f889..8b6ddea9e7 100644
--- a/src/modules/syslink/syslink_main.h
+++ b/src/modules/syslink/syslink_main.h
@@ -67,7 +67,7 @@ public:
 	int set_channel(uint8_t channel);
 	int set_address(uint64_t addr);
 
-	int is_good(int i) { return _params_ack != 0; }
+	int is_good(int i) { return _params_ack[i] != 0; }
 
 	int pktrate;
 	int nullrate;