diff --git a/homeassistant/components/hassio/ingress.py b/homeassistant/components/hassio/ingress.py
index 6c1ef389712..04241f53de9 100644
--- a/homeassistant/components/hassio/ingress.py
+++ b/homeassistant/components/hassio/ingress.py
@@ -71,9 +71,14 @@ class HassIOIngress(HomeAssistantView):
         ws_server = web.WebSocketResponse()
         await ws_server.prepare(request)
 
+        # Preparing
         url = self._create_url(addon, path)
         source_header = _init_header(request, addon)
 
+        # Support GET query
+        if request.query_string:
+            url = "{}?{}".format(url, request.query_string)
+
         # Start proxy
         async with self._websession.ws_connect(
                 url, headers=source_header
diff --git a/tests/components/hassio/test_ingress.py b/tests/components/hassio/test_ingress.py
index 4e071ba24fd..4b72eda4c25 100644
--- a/tests/components/hassio/test_ingress.py
+++ b/tests/components/hassio/test_ingress.py
@@ -136,7 +136,8 @@ async def test_ingress_request_delete(
 @pytest.mark.parametrize(
     'build_type', [
         ("a3_vl", "test/beer/ws"), ("core", "ws.php"),
-        ("local", "panel/config/stream"), ("jk_921", "hulk")
+        ("local", "panel/config/stream"), ("jk_921", "hulk"),
+        ("demo", "ws/connection?id=9&token=SJAKWS283")
     ])
 async def test_ingress_websocket(
         hassio_client, build_type, aioclient_mock):