Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java
===================================================================
diff -u -r113c5a32c6fa73227ff541d4d197b1d6fe43a5b9 -r56d2beec79da1fb5b048021a044439e6498e939b
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java	(.../AssessmentServiceImpl.java)	(revision 113c5a32c6fa73227ff541d4d197b1d6fe43a5b9)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java	(.../AssessmentServiceImpl.java)	(revision 56d2beec79da1fb5b048021a044439e6498e939b)
@@ -381,9 +381,12 @@
 	if (lastResult == null) {
 	    return null;
 	}
-	LocalDateTime launchedDate = LocalDateTime.now();
-	lastResult.setTimeLimitLaunchedDate(launchedDate);
-	assessmentResultDao.saveObject(lastResult);
+	LocalDateTime launchedDate = lastResult.getTimeLimitLaunchedDate();
+	if (launchedDate == null) {
+	    launchedDate = LocalDateTime.now();
+	    lastResult.setTimeLimitLaunchedDate(launchedDate);
+	    assessmentResultDao.saveObject(lastResult);
+	}
 	return launchedDate;
     }