diff --git a/homeassistant/components/harmony/config_flow.py b/homeassistant/components/harmony/config_flow.py
index 8290d51df81..6d5adabe235 100644
--- a/homeassistant/components/harmony/config_flow.py
+++ b/homeassistant/components/harmony/config_flow.py
@@ -87,7 +87,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         friendly_name = discovery_info[ssdp.ATTR_UPNP_FRIENDLY_NAME]
 
         if self._host_already_configured(parsed_url.hostname):
-            return self.async_abort(reason="already_configured_device")
+            return self.async_abort(reason="already_configured")
 
         # pylint: disable=no-member
         self.context["title_placeholders"] = {"name": friendly_name}
diff --git a/homeassistant/components/harmony/strings.json b/homeassistant/components/harmony/strings.json
index 877729c6d4b..f953639e22d 100644
--- a/homeassistant/components/harmony/strings.json
+++ b/homeassistant/components/harmony/strings.json
@@ -19,7 +19,7 @@
       "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "abort": {
-      "already_configured_device": "[%key:common::config_flow::abort::already_configured_device%]"
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
   },
   "options": {
diff --git a/homeassistant/components/mikrotik/config_flow.py b/homeassistant/components/mikrotik/config_flow.py
index 5c7a4369ebf..91e0f366b4d 100644
--- a/homeassistant/components/mikrotik/config_flow.py
+++ b/homeassistant/components/mikrotik/config_flow.py
@@ -43,7 +43,7 @@ class MikrotikFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         if user_input is not None:
             for entry in self.hass.config_entries.async_entries(DOMAIN):
                 if entry.data[CONF_HOST] == user_input[CONF_HOST]:
-                    return self.async_abort(reason="already_configured_device")
+                    return self.async_abort(reason="already_configured")
                 if entry.data[CONF_NAME] == user_input[CONF_NAME]:
                     errors[CONF_NAME] = "name_exists"
                     break
diff --git a/homeassistant/components/mikrotik/strings.json b/homeassistant/components/mikrotik/strings.json
index 71c73d1d592..6d421cb1838 100644
--- a/homeassistant/components/mikrotik/strings.json
+++ b/homeassistant/components/mikrotik/strings.json
@@ -19,7 +19,7 @@
       "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]"
     },
     "abort": {
-      "already_configured_device": "[%key:common::config_flow::abort::already_configured_device%]"
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
   },
   "options": {
diff --git a/tests/components/mikrotik/test_config_flow.py b/tests/components/mikrotik/test_config_flow.py
index 574c82f050f..ad3a27d724a 100644
--- a/tests/components/mikrotik/test_config_flow.py
+++ b/tests/components/mikrotik/test_config_flow.py
@@ -156,7 +156,7 @@ async def test_host_already_configured(hass, auth_error):
         result["flow_id"], user_input=DEMO_USER_INPUT
     )
     assert result["type"] == "abort"
-    assert result["reason"] == "already_configured_device"
+    assert result["reason"] == "already_configured"
 
 
 async def test_name_exists(hass, api):