diff --git a/.vscode/settings.json b/.vscode/settings.json
index 293ed1e..2d31ad7 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,7 @@
 {
     "cSpell.words": [
         "Meshtastic",
-        "TORADIO"
+        "TORADIO",
+        "Vids"
     ]
 }
\ No newline at end of file
diff --git a/meshtastic/util.py b/meshtastic/util.py
index 34130d3..d384897 100644
--- a/meshtastic/util.py
+++ b/meshtastic/util.py
@@ -3,6 +3,9 @@ from collections import defaultdict
 import serial
 import serial.tools.list_ports
 
+"""Some devices such as a seger jlink we never want to accidentally open"""
+blacklistVids = dict.fromkeys([0x1366])
+
 
 def findPorts():
     """Find all ports that might have meshtastic devices
@@ -11,7 +14,7 @@ def findPorts():
         list -- a list of device paths
     """
     l = list(map(lambda port: port.device,
-                 filter(lambda port: port.vid != None,
+                 filter(lambda port: port.vid != None and port.vid not in blacklistVids,
                         serial.tools.list_ports.comports())))
     l.sort()
     return l