diff --git a/homeassistant/components/mqtt/abbreviations.py b/homeassistant/components/mqtt/abbreviations.py
index fa7344f82c5..155667b00cb 100644
--- a/homeassistant/components/mqtt/abbreviations.py
+++ b/homeassistant/components/mqtt/abbreviations.py
@@ -22,7 +22,6 @@ ABBREVIATIONS = {
     "clr_temp_cmd_tpl": "color_temp_command_template",
     "bat_lev_t": "battery_level_topic",
     "bat_lev_tpl": "battery_level_template",
-    "cu": "configuration_url",
     "chrg_t": "charging_topic",
     "chrg_tpl": "charging_template",
     "clrm": "color_mode",
@@ -246,6 +245,7 @@ ABBREVIATIONS = {
 
 DEVICE_ABBREVIATIONS = {
     "cns": "connections",
+    "cu": "configuration_url",
     "ids": "identifiers",
     "name": "name",
     "mf": "manufacturer",