diff --git a/homeassistant/helpers/config_entry_flow.py b/homeassistant/helpers/config_entry_flow.py
index 6d200a39c85..7c087a1ee64 100644
--- a/homeassistant/helpers/config_entry_flow.py
+++ b/homeassistant/helpers/config_entry_flow.py
@@ -81,6 +81,9 @@ class DiscoveryFlowHandler(config_entries.ConfigFlow):
 
         return await self.async_step_confirm()
 
+    async_step_zeroconf = async_step_discovery
+    async_step_ssdp = async_step_discovery
+
     async def async_step_import(self, _):
         """Handle a flow initialized by import."""
         if self._async_in_progress() or self._async_current_entries():
diff --git a/tests/helpers/test_config_entry_flow.py b/tests/helpers/test_config_entry_flow.py
index 5f8a642333a..eda62e1614c 100644
--- a/tests/helpers/test_config_entry_flow.py
+++ b/tests/helpers/test_config_entry_flow.py
@@ -75,24 +75,26 @@ async def test_user_has_confirmation(hass, discovery_flow_conf):
     assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
 
 
-async def test_discovery_single_instance(hass, discovery_flow_conf):
-    """Test we ask for confirmation via discovery."""
+@pytest.mark.parametrize('source', ['discovery', 'ssdp', 'zeroconf'])
+async def test_discovery_single_instance(hass, discovery_flow_conf, source):
+    """Test we not allow duplicates."""
     flow = config_entries.HANDLERS['test']()
     flow.hass = hass
 
     MockConfigEntry(domain='test').add_to_hass(hass)
-    result = await flow.async_step_discovery({})
+    result = await getattr(flow, "async_step_{}".format(source))({})
 
     assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
     assert result['reason'] == 'single_instance_allowed'
 
 
-async def test_discovery_confirmation(hass, discovery_flow_conf):
+@pytest.mark.parametrize('source', ['discovery', 'ssdp', 'zeroconf'])
+async def test_discovery_confirmation(hass, discovery_flow_conf, source):
     """Test we ask for confirmation via discovery."""
     flow = config_entries.HANDLERS['test']()
     flow.hass = hass
 
-    result = await flow.async_step_discovery({})
+    result = await getattr(flow, "async_step_{}".format(source))({})
 
     assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
     assert result['step_id'] == 'confirm'