diff --git a/src/libCom/osi/osiNTPTime.c b/src/libCom/osi/osiNTPTime.c
index 0997cc42e..71822d4ad 100644
--- a/src/libCom/osi/osiNTPTime.c
+++ b/src/libCom/osi/osiNTPTime.c
@@ -177,15 +177,15 @@ static void NTPTimeSync(void *dummy)
             continue;
         }
 
-        if (ntpDelta > 3600 && NTPTimePvt.synchronized) {
+        if (ntpDelta > 10 * NTPTimeSyncInterval && NTPTimePvt.synchronized) {
             char nowTimeText[32];
-            char ntpTimeText[32];
-            epicsTimeToStrftime(ntpTimeText,sizeof(nowTimeText),"%Y-%m-%d %H:%M:%S.%09f",
+            char syncTimeText[32];
+            epicsTimeToStrftime(syncTimeText,sizeof(syncTimeText),"%Y-%m-%d %H:%M:%S.%09f",
                 &NTPTimePvt.syncTime);
-            epicsTimeToStrftime(ntpTimeText,sizeof(ntpTimeText),"%Y-%m-%d %H:%M:%S.%09f",
+            epicsTimeToStrftime(nowTimeText,sizeof(nowTimeText),"%Y-%m-%d %H:%M:%S.%09f",
                 &timeNow);
             errlogPrintf("NTPTimeSync: refuse to jump from %s to future %s (timespec: %li.%09li)\n",
-                nowTimeText, ntpTimeText, timespecNow.tv_sec, timespecNow.tv_nsec);
+                syncTimeText, nowTimeText, timespecNow.tv_sec, timespecNow.tv_nsec);
             NTPTimePvt.synchronized = 0;
             continue;
         }