diff --git a/homeassistant/components/qnap_qsw/config_flow.py b/homeassistant/components/qnap_qsw/config_flow.py
index e9d11433021..bb42c9ea294 100644
--- a/homeassistant/components/qnap_qsw/config_flow.py
+++ b/homeassistant/components/qnap_qsw/config_flow.py
@@ -113,9 +113,10 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             except LoginError:
                 errors[CONF_PASSWORD] = "invalid_auth"
             except QswError:
-                errors[CONF_URL] = "cannot_connect"
+                errors["base"] = "cannot_connect"
             else:
                 title = f"QNAP {system_board.get_product()} {self._discovered_mac}"
+                user_input[CONF_URL] = self._discovered_url
                 return self.async_create_entry(title=title, data=user_input)
 
         return self.async_show_form(
diff --git a/homeassistant/components/qnap_qsw/strings.json b/homeassistant/components/qnap_qsw/strings.json
index 351245a9591..ba0cb28ba77 100644
--- a/homeassistant/components/qnap_qsw/strings.json
+++ b/homeassistant/components/qnap_qsw/strings.json
@@ -9,6 +9,12 @@
       "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]"
     },
     "step": {
+      "discovered_connection": {
+        "data": {
+          "username": "[%key:common::config_flow::data::username%]",
+          "password": "[%key:common::config_flow::data::password%]"
+        }
+      },
       "user": {
         "data": {
           "url": "[%key:common::config_flow::data::url%]",
diff --git a/homeassistant/components/qnap_qsw/translations/en.json b/homeassistant/components/qnap_qsw/translations/en.json
index b6f68f2f062..c75c2d76ac8 100644
--- a/homeassistant/components/qnap_qsw/translations/en.json
+++ b/homeassistant/components/qnap_qsw/translations/en.json
@@ -9,6 +9,12 @@
             "invalid_auth": "Invalid authentication"
         },
         "step": {
+            "discovered_connection": {
+                "data": {
+                    "password": "Password",
+                    "username": "Username"
+                }
+            },
             "user": {
                 "data": {
                     "password": "Password",
diff --git a/tests/components/qnap_qsw/test_config_flow.py b/tests/components/qnap_qsw/test_config_flow.py
index 0b7072dd602..02f873c6a4a 100644
--- a/tests/components/qnap_qsw/test_config_flow.py
+++ b/tests/components/qnap_qsw/test_config_flow.py
@@ -24,7 +24,7 @@ DHCP_SERVICE_INFO = dhcp.DhcpServiceInfo(
 )
 
 TEST_PASSWORD = "test-password"
-TEST_URL = "test-url"
+TEST_URL = f"http://{DHCP_SERVICE_INFO.ip}"
 TEST_USERNAME = "test-username"
 
 
@@ -187,6 +187,7 @@ async def test_dhcp_flow(hass: HomeAssistant) -> None:
     assert result2["data"] == {
         CONF_USERNAME: TEST_USERNAME,
         CONF_PASSWORD: TEST_PASSWORD,
+        CONF_URL: TEST_URL,
     }
 
     assert len(mock_setup_entry.mock_calls) == 1
@@ -237,7 +238,7 @@ async def test_dhcp_connection_error(hass: HomeAssistant):
             },
         )
 
-        assert result["errors"] == {CONF_URL: "cannot_connect"}
+        assert result["errors"] == {"base": "cannot_connect"}
 
 
 async def test_dhcp_login_error(hass: HomeAssistant):