diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f2cb4df..6f11f45d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 
 ### Bug Fixes
 1. [#562](https://github.com/influxdata/influxdb-client-python/pull/562): Use `ThreadPoolScheduler` for `WriteApi`'s batch subject instead of `TimeoutScheduler` to prevent creating unnecessary threads repeatedly
+1. [#631](https://github.com/influxdata/influxdb-client-python/pull/631): Logging HTTP requests without query parameters
 
 ## 1.39.0 [2023-12-05]
 
diff --git a/influxdb_client/_sync/rest.py b/influxdb_client/_sync/rest.py
index 2d80de13..eadbf061 100644
--- a/influxdb_client/_sync/rest.py
+++ b/influxdb_client/_sync/rest.py
@@ -170,7 +170,7 @@ def request(self, method, url, query_params=None, headers=None,
             headers['Content-Type'] = 'application/json'
 
         if self.configuration.debug:
-            _BaseRESTClient.log_request(method, f"{url}?{urlencode(query_params)}")
+            _BaseRESTClient.log_request(method, f"{url}{'' if query_params is None else '?' + urlencode(query_params)}")
             _BaseRESTClient.log_headers(headers, '>>>')
             _BaseRESTClient.log_body(body, '>>>')
 
diff --git a/tests/test_InfluxDBClient.py b/tests/test_InfluxDBClient.py
index ca37291b..c2f9b0a5 100644
--- a/tests/test_InfluxDBClient.py
+++ b/tests/test_InfluxDBClient.py
@@ -415,6 +415,18 @@ def test_custom_debug_logging_handler(self):
         logger = logging.getLogger('influxdb_client.client.http')
         self.assertEqual(2, len(logger.handlers))
 
+    def test_debug_request_without_query_parameters(self):
+        httpretty.register_uri(httpretty.GET, uri="http://localhost/ping", status=200, body="")
+        self.influxdb_client = InfluxDBClient("http://localhost", "my-token", debug=True)
+
+        log_stream = StringIO()
+        logger = logging.getLogger("influxdb_client.client.http")
+        logger.addHandler(logging.StreamHandler(log_stream))
+
+        self.influxdb_client.api_client.call_api('/ping', 'GET')
+
+        self.assertIn("'GET http://localhost/ping'", log_stream.getvalue())
+
 
 class ServerWithSelfSingedSSL(http.server.SimpleHTTPRequestHandler):
     def _set_headers(self, response: bytes):