diff --git a/platformio/assets/system/99-platformio-udev.rules b/platformio/assets/system/99-platformio-udev.rules
index bc31ac74..d17569e7 100644
--- a/platformio/assets/system/99-platformio-udev.rules
+++ b/platformio/assets/system/99-platformio-udev.rules
@@ -87,6 +87,8 @@ ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="[01]*", MODE:="0666", ENV{ID_MM_DEVI
 # AIR32F103
 ATTRS{idVendor}=="0d28", ATTRS{idProduct}=="0204", MODE="0666", ENV{ID_MM_DEVICE_IGNORE}="1", ENV{ID_MM_PORT_IGNORE}="1"
 
+# STM32 virtual COM port
+ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", MODE="0666", ENV{ID_MM_DEVICE_IGNORE}="1", ENV{ID_MM_PORT_IGNORE}="1"
 
 #
 # Debuggers