diff --git a/homeassistant/components/deconz/.translations/en.json b/homeassistant/components/deconz/.translations/en.json
index c00bfca35641c24774b9722de6d0ed16c74defe4..e9c64ffe5faa64c7ea180cb2a08a48013746ae27 100644
--- a/homeassistant/components/deconz/.translations/en.json
+++ b/homeassistant/components/deconz/.translations/en.json
@@ -11,6 +11,7 @@
         "error": {
             "no_key": "Couldn't get an API key"
         },
+        "flow_title": "deCONZ Zigbee gateway ({host})",
         "step": {
             "hassio_confirm": {
                 "data": {
diff --git a/homeassistant/components/deconz/config_flow.py b/homeassistant/components/deconz/config_flow.py
index 91768584e8ac9521655cd9649b680cc4e366cc40..5ede8e715b9471393661aa17d25805b408a93b71 100644
--- a/homeassistant/components/deconz/config_flow.py
+++ b/homeassistant/components/deconz/config_flow.py
@@ -189,6 +189,7 @@ class DeconzFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
 
         # pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
         self.context[CONF_BRIDGEID] = bridgeid
+        self.context["title_placeholders"] = {"host": discovery_info[CONF_HOST]}
 
         self.deconz_config = {
             CONF_HOST: discovery_info[CONF_HOST],
diff --git a/homeassistant/components/deconz/strings.json b/homeassistant/components/deconz/strings.json
index db43c022822838f037698024182053780d5d231a..3571a9e1207c4c24cf629a8a30fd64dc3bdf83fb 100644
--- a/homeassistant/components/deconz/strings.json
+++ b/homeassistant/components/deconz/strings.json
@@ -1,6 +1,7 @@
 {
     "config": {
         "title": "deCONZ Zigbee gateway",
+        "flow_title": "deCONZ Zigbee gateway ({host})",
         "step": {
             "init": {
                 "title": "Define deCONZ gateway",