diff --git a/TUnit.Engine/Reporters/GitHubReporter.cs b/TUnit.Engine/Reporters/GitHubReporter.cs
index 19aa9841a4..0269faee6d 100644
--- a/TUnit.Engine/Reporters/GitHubReporter.cs
+++ b/TUnit.Engine/Reporters/GitHubReporter.cs
@@ -321,9 +321,9 @@ or TimeoutTestNodeStateProperty
         return stateProperty switch
         {
             FailedTestNodeStateProperty failedTestNodeStateProperty =>
-                failedTestNodeStateProperty.Exception?.ToString() ?? "Test failed",
+                GetTruncatedExceptionMessage(failedTestNodeStateProperty.Exception) ?? "Test failed",
             ErrorTestNodeStateProperty errorTestNodeStateProperty =>
-                errorTestNodeStateProperty.Exception?.ToString() ?? "Test failed",
+                GetTruncatedExceptionMessage(errorTestNodeStateProperty.Exception) ?? "Test failed",
             TimeoutTestNodeStateProperty timeoutTestNodeStateProperty => timeoutTestNodeStateProperty.Explanation,
 #pragma warning disable CS0618 // CancelledTestNodeStateProperty is obsolete
             CancelledTestNodeStateProperty => "Test was cancelled",
@@ -332,6 +332,25 @@ or TimeoutTestNodeStateProperty
         };
     }
 
+    private static string? GetTruncatedExceptionMessage(Exception? exception)
+    {
+        if (exception is null)
+        {
+            return null;
+        }
+
+        var message = exception.Message;
+
+        var firstStackTraceLine = exception.StackTrace?.Split('\n').FirstOrDefault()?.Trim();
+
+        if (string.IsNullOrWhiteSpace(firstStackTraceLine))
+        {
+            return message;
+        }
+
+        return $"{message}\n{firstStackTraceLine}";
+    }
+
     private static string GetStatus(IProperty? stateProperty)
     {
         return stateProperty switch