diff --git a/README.md b/README.md
index 289814f..7ba18e4 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,7 @@ user_to_sid:
     "myusername": "S-1-5-21-1234567890-1234567890-1234567890-1001"
     "someotheruser": "S-1-5-21-1234567890-1234567890-1234567890-1003"
 ```
+Note the indentation; each entry has to be preceded by at least one space.
 
 ## Playground
 
diff --git a/dbus_service/dbus-service b/dbus_service/dbus-service
index 7a1a1bc..a488b09 100755
--- a/dbus_service/dbus-service
+++ b/dbus_service/dbus-service
@@ -30,7 +30,6 @@ from validitysensor.usb import usb
 from validitysensor.winbio_constants import finger_ids
 
 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
-GLib.threads_init()
 
 INTERFACE_NAME = 'io.github.uunicorn.Fprint.Device'
 
@@ -242,7 +241,7 @@ def main():
     # Load and perform basic validation of config file.
     try:
         with (args.configpath / 'dbus-service.yaml').open(mode='rt') as configfd:
-            config = yaml.load(configfd)
+            config = yaml.load(configfd, Loader=yaml.BaseLoader)
     except FileNotFoundError:
         # No configuration file. Create default
         config = {'user_to_sid': {}}