diff --git a/central-manager/lib/local/handler.c b/central-manager/lib/local/handler.c
index 6e95958..d65576e 100644
--- a/central-manager/lib/local/handler.c
+++ b/central-manager/lib/local/handler.c
@@ -391,7 +391,8 @@ void* manageCtrlTerm(void* THREADABLE_ARGS){
 		fbk    = request.flags&TERMREQ_FBK;
 		if( !( update || fbk ) ){
 			send(arg->socket, "\x00\0", sizeof(char)*2, 0);
-			printf("{udp_cterm}{com}(%d)      Ping received\n", index);
+			if( request.flags != 0 )
+				printf("{udp_cterm}{com}(%d)      Invalid flags\n", index);
 			continue;
 		}