diff --git a/solo/cli/__init__.py b/solo/cli/__init__.py
index 38facc61..9da83e21 100644
--- a/solo/cli/__init__.py
+++ b/solo/cli/__init__.py
@@ -9,6 +9,8 @@
 
 import click
 import json
+import os
+import sys
 
 import usb.core
 
@@ -20,6 +22,16 @@
 from . import _patches  # noqa  (since otherwise "unused")
 
 
+if all((os.name == "posix", os.geteuid() == 0)):
+    print("THIS COMMAND SHOULD NOT BE RUN AS ROOT!")
+    print()
+    print("Please install udev rules and run `solo` as regular user (without sudo).")
+    print("We suggest using: https://github.com/solokeys/solo/blob/master/udev/70-solokeys-access.rules")
+    print()
+    print("For more information, see: https://docs.solokeys.io/solo/udev/")
+    sys.exit(1)
+
+
 @click.group()
 def solo_cli():
     pass