diff --git a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
index 86a8721da..a9b9be8b8 100644
--- a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
@@ -601,7 +601,13 @@ namespace IRaCIS.Core.Application.Services
                                 item.InstanceInfoList.ForEach(x =>
                                 {
 
-                                    x.KeyFramesList = rowInfoList.Where(y => y.InstanceId == x.Id).Select(y => y.NumberOfFrames).Distinct().ToList();
+                                    var keyFramesList = rowInfoList.Where(y => y.InstanceId == x.Id).Select(y => y.NumberOfFrames).Distinct().ToList();
+
+                                    if (keyFramesList.Count() > 1)
+                                    {
+                                        x.KeyFramesList = keyFramesList;
+                                    }
+                                   
                                     var item = rowInfoList.FirstOrDefault(y => y.InstanceId == x.Id);
                                     if (item != null)
                                     {