diff --git a/src/VirtualClient/VirtualClient.Actions/DiskSpd/DiskSpdMetricsParser.cs b/src/VirtualClient/VirtualClient.Actions/DiskSpd/DiskSpdMetricsParser.cs
index 3ab922e5d..c44515923 100644
--- a/src/VirtualClient/VirtualClient.Actions/DiskSpd/DiskSpdMetricsParser.cs
+++ b/src/VirtualClient/VirtualClient.Actions/DiskSpd/DiskSpdMetricsParser.cs
@@ -46,6 +46,7 @@ public DiskSpdMetricsParser(string rawText, string commandLine)
         {
             this.commandLine = commandLine;
             this.metrics = new List<Metric>();
+            this.readWriteMode = ReadWriteMode.ReadWrite;
         }
 
         private enum ReadWriteMode