diff --git a/homeassistant/components/tradfri/config_flow.py b/homeassistant/components/tradfri/config_flow.py
index 8de40140339..d9911472a67 100644
--- a/homeassistant/components/tradfri/config_flow.py
+++ b/homeassistant/components/tradfri/config_flow.py
@@ -60,10 +60,7 @@ class FlowHandler(ConfigFlow, domain=DOMAIN):
                 return await self._entry_from_data(auth)
 
             except AuthError as err:
-                if err.code == "invalid_security_code":
-                    errors[KEY_SECURITY_CODE] = err.code
-                else:
-                    errors["base"] = err.code
+                errors["base"] = err.code
         else:
             user_input = {}
 
diff --git a/homeassistant/components/tradfri/strings.json b/homeassistant/components/tradfri/strings.json
index 69a28a567ab..9ed7e167e71 100644
--- a/homeassistant/components/tradfri/strings.json
+++ b/homeassistant/components/tradfri/strings.json
@@ -14,7 +14,7 @@
       }
     },
     "error": {
-      "invalid_key": "Failed to register with provided key. If this keeps happening, try restarting the gateway.",
+      "invalid_security_code": "Failed to register with provided key. If this keeps happening, try restarting the gateway.",
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "timeout": "Timeout validating the code.",
       "cannot_authenticate": "Cannot authenticate, is Gateway paired with another server like e.g. Homekit?"
diff --git a/tests/components/tradfri/test_config_flow.py b/tests/components/tradfri/test_config_flow.py
index 5c06851782c..b6f38b1d83d 100644
--- a/tests/components/tradfri/test_config_flow.py
+++ b/tests/components/tradfri/test_config_flow.py
@@ -86,10 +86,6 @@ async def test_user_connection_timeout(
     assert result["errors"] == {"base": "timeout"}
 
 
-@pytest.mark.parametrize(  # Remove when translations fixed
-    "ignore_translations",
-    ["component.tradfri.config.error.invalid_security_code"],
-)
 async def test_user_connection_bad_key(
     hass: HomeAssistant, mock_auth, mock_entry_setup
 ) -> None:
@@ -107,7 +103,7 @@ async def test_user_connection_bad_key(
     assert len(mock_entry_setup.mock_calls) == 0
 
     assert result["type"] is FlowResultType.FORM
-    assert result["errors"] == {"security_code": "invalid_security_code"}
+    assert result["errors"] == {"base": "invalid_security_code"}
 
 
 async def test_discovery_connection(