diff --git a/src/libCom/osi/os/WIN32/osdTime.cpp b/src/libCom/osi/os/WIN32/osdTime.cpp
index 877311ffa..67b127200 100644
--- a/src/libCom/osi/os/WIN32/osdTime.cpp
+++ b/src/libCom/osi/os/WIN32/osdTime.cpp
@@ -390,7 +390,7 @@ void currentTime::getCurrentTime ( epicsTimeStamp & dest )
         LONGLONG epicsTimeCurrent = this->epicsTimeLast + offset;
         if ( this->epicsTimeLast > epicsTimeCurrent ) {
             double diff = static_cast < double >
-                ( this->epicsTimeLast - epicsTimeCurrent );
+                ( this->epicsTimeLast - epicsTimeCurrent ) / EPICS_TIME_TICKS_PER_SEC;
             errlogPrintf (
                 "currentTime::getCurrentTime(): %f sec "
                 "time discontinuity detected\n",