diff --git a/data/org.freedesktop.ModemManager1.conf.polkit b/data/org.freedesktop.ModemManager1.conf.polkit
index e5e5d128..14240ea0 100644
--- a/data/org.freedesktop.ModemManager1.conf.polkit
+++ b/data/org.freedesktop.ModemManager1.conf.polkit
@@ -234,7 +234,7 @@
 
     <allow send_destination="org.freedesktop.ModemManager1"
            send_interface="org.freedesktop.ModemManager1.Call"
-           send_member="SendTone"/>
+           send_member="SendDtmf"/>
 
     <!-- org.freedesktop.ModemManager1.Modem.Signal.xml -->