diff --git a/homeassistant/components/axis/strings.json b/homeassistant/components/axis/strings.json
index 8c302dba201..9534989305d 100644
--- a/homeassistant/components/axis/strings.json
+++ b/homeassistant/components/axis/strings.json
@@ -8,7 +8,8 @@
           "host": "[%key:common::config_flow::data::host%]",
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]",
-          "port": "[%key:common::config_flow::data::port%]"
+          "port": "[%key:common::config_flow::data::port%]",
+          "protocol": "Protocol"
         },
         "data_description": {
           "host": "The hostname or IP address of the Axis device.",