diff --git a/linux/avb/JackAVBDriver.cpp b/linux/avb/JackAVBDriver.cpp
index cef4f316..6716d65d 100644
--- a/linux/avb/JackAVBDriver.cpp
+++ b/linux/avb/JackAVBDriver.cpp
@@ -178,13 +178,13 @@ int JackAVBPDriver::Read()
 
 
     uint64_t cumulative_ipg_ns = 0;
-
-    for(int n=0; n<ieee1722mc.num_packets; n++){
+    int n = 0;
+    for(n=0; n<ieee1722mc.num_packets; n++){
         cumulative_ipg_ns += wait_recv_ts_1722_mediaclockstream( &ieee1722mc, n );
     }
 
 
-    printf("ipg: %lld ns, period_usec: %lld\n", cumulative_ipg_ns, ieee1722mc.period_usecs );fflush(stdout);
+    printf("no: %d ipg: %lld ns, period_usec: %lld\n", n, cumulative_ipg_ns, ieee1722mc.period_usecs );fflush(stdout);
     float cumulative_ipg_us = cumulative_ipg_ns / 1000;
     if ( cumulative_ipg_us > ieee1722mc.period_usecs) {
         ret = 1;
diff --git a/linux/avb/listener_mediaclock.c b/linux/avb/listener_mediaclock.c
index 4048e748..f9b4cf87 100644
--- a/linux/avb/listener_mediaclock.c
+++ b/linux/avb/listener_mediaclock.c
@@ -132,7 +132,9 @@ uint64_t mediaclock_listener_wait_recv_ts( FILE* filepointer, ieee1722_avtp_driv
          */
 
         if( packet_num == (*ieee1722mc)->num_packets -1){
+
             adjust_packet_time_ns = samples_in_packet / (*ieee1722mc)->sample_rate * 1000000000;
+            fprintf(filepointer, "adjust time %lld ns\n", adjust_packet_time_ns);fflush(filepointer);
         }
 
 
@@ -151,7 +153,6 @@ uint64_t mediaclock_listener_wait_recv_ts( FILE* filepointer, ieee1722_avtp_driv
 //            adjust_packet_time_ns = samples_in_packet / (*ieee1722mc)->sample_rate * 1000000000;
 //        }
 
-		fprintf(filepointer, "adjust time %lld ns\n", adjust_packet_time_ns);fflush(filepointer);