diff --git a/Analogy.LogViewer.Serilog.UnitTests/CompactJsonFormatTests.cs b/Analogy.LogViewer.Serilog.UnitTests/CompactJsonFormatTests.cs
index 00af39c..df844a0 100644
--- a/Analogy.LogViewer.Serilog.UnitTests/CompactJsonFormatTests.cs
+++ b/Analogy.LogViewer.Serilog.UnitTests/CompactJsonFormatTests.cs
@@ -44,6 +44,21 @@ public void CompactJsonFormatTestAutomaticDetection(string fileName)
             var type = OfflineDataProvider.TryDetectFormat(file);
             Assert.IsTrue(type == FileFormat.CompactJsonFormatPerLine);
         }
+        [TestMethod]
+
+        // [DataRow("rendered1.clef", 2, "test 2")]
+        [DataRow("rendered2.clef", 2, "test 2")]
+        public async Task OfflineProviderParserAlreadyRenderedTest(string fileName, int numberOfMessages, string text)
+        {
+            OfflineDataProvider parser = new OfflineDataProvider();
+            UserSettingsManager.UserSettings.Settings.SupportFormats = new List<string> { "*.Clef", "*.log", "*.gz", "*.zip" };
+            CancellationTokenSource cts = new CancellationTokenSource();
+            string file = Path.Combine(Folder, "log files", fileName);
+            MessageHandlerForTesting forTesting = new MessageHandlerForTesting();
+            var messages = (await parser.Process(file, cts.Token, forTesting)).ToList();
+            Assert.IsTrue(messages.Count == numberOfMessages);
+            Assert.IsTrue(messages[1].Text == text);
+        }
 
         [TestMethod]
         public async Task CompactJsonFormatParserTest()
diff --git a/Analogy.LogViewer.Serilog/IAnalogy/OfflineDataProvider.cs b/Analogy.LogViewer.Serilog/IAnalogy/OfflineDataProvider.cs
index 6a715d9..807ae11 100644
--- a/Analogy.LogViewer.Serilog/IAnalogy/OfflineDataProvider.cs
+++ b/Analogy.LogViewer.Serilog/IAnalogy/OfflineDataProvider.cs
@@ -167,7 +167,7 @@ private static FileFormat TryParsePerLine(string jsonData)
                 }
 
                 fields = new CompactJsonFormatMessageFields();
-                if (jsonData.Contains(fields.Timestamp) && jsonData.Contains(fields.MessageTemplate))
+                if (jsonData.Contains(fields.Timestamp) && (jsonData.Contains(fields.MessageTemplate) || jsonData.Contains(fields.Message)))
                 {
                     return FileFormat.CompactJsonFormatPerLine;
                 }