diff --git a/src/Runner.Worker/ExecutionContext.cs b/src/Runner.Worker/ExecutionContext.cs
index dfe92523089..5ea5328be84 100644
--- a/src/Runner.Worker/ExecutionContext.cs
+++ b/src/Runner.Worker/ExecutionContext.cs
@@ -1145,7 +1145,7 @@ public void PublishStepTelemetry()
                         }
                     }
 
-                    Trace.Info($"Publish step telemetry for current step {StringUtil.ConvertToJson(StepTelemetry)}.");
+                    Trace.Info($"Publish step telemetry for current step {StringUtil.ConvertToJson(StepTelemetry, Formatting.None)}.");
                     Global.StepsTelemetry.Add(StepTelemetry);
                     _stepTelemetryPublished = true;
                 }