diff --git a/platformio/telemetry.py b/platformio/telemetry.py
index d6e95e66..5d1b08cd 100644
--- a/platformio/telemetry.py
+++ b/platformio/telemetry.py
@@ -101,7 +101,7 @@ class MeasurementProtocol(TelemetryBase):
         if not args:
             return
 
-        if args[0] in ("lib", "settings"):
+        if args[0] in ("lib", "serialports", "settings"):
             cmd_path = args[:2]
         else:
             cmd_path = args[:1]