diff --git a/arch/x86/scc/icc.c b/arch/x86/scc/icc.c
index 8e3102f8..93f980a9 100644
--- a/arch/x86/scc/icc.c
+++ b/arch/x86/scc/icc.c
@@ -221,7 +221,7 @@ int icc_halt(void)
 	return 0;
 }
 
-#define ROUNDS 100000
+#define ROUNDS 1000
 #define CORE_A 0	 	// sender
 #define CORE_B 10		// receiver 
 
@@ -425,7 +425,7 @@ int icc_mail_noise() {
 			/* recv mails */
 			iRCCE_mail_check(iRCCE_MAILBOX_ALL);
 
-			iRCCE_mail_send(0, 100, 1, NULL, j);
+			iRCCE_mail_send(0, 100, 0, NULL, j);
 			res = iRCCE_mail_recv(&recv_mail);
 			if( res == iRCCE_SUCCESS ) {
 				icc_mail_check_tag(recv_mail);