diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e10faa..013fee0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Subscribing to new records, [PR-70](https://github.com/reductstore/reduct-py/pull/70)
 
+### Fixed:
+
+- No int timestamps in queries, [PR-73](https://github.com/reductstore/reduct-py/pull/73)
+
 ## [1.3.1] - 2023-01-30
 
 ### Fixed:
diff --git a/reduct/bucket.py b/reduct/bucket.py
index ea7c808..d6f3c57 100644
--- a/reduct/bucket.py
+++ b/reduct/bucket.py
@@ -106,7 +106,7 @@ class Record:
     size: int
     """size of data"""
     last: bool
-    """last record in the query"""
+    """last record in the query. Deprecated: doesn't work for some cases"""
     content_type: str
     """content type of data"""
     read_all: Callable[[None], Awaitable[bytes]]
@@ -215,7 +215,7 @@ async def read(
             >>>     async with bucket.read("entry", timestamp=123456789) as record:
             >>>         data = await record.read_all()
         """
-        params = {"ts": timestamp} if timestamp else None
+        params = {"ts": int(timestamp)} if timestamp else None
         async with self._http.request(
             "GET", f"/b/{self.name}/{entry_name}", params=params
         ) as resp:
@@ -256,7 +256,8 @@ async def write(
             >>> await bucket.write("entry-1", sender(), content_length=15)
 
         """
-        params = {"ts": timestamp if timestamp else time.time_ns() / 1000}
+        timestamp = timestamp if timestamp else time.time_ns() / 1000
+        params = {"ts": int(timestamp)}
         await self._http.request_all(
             "POST",
             f"/b/{self.name}/{entry_name}",
@@ -353,11 +354,11 @@ async def subscribe(
     async def _query(self, entry_name, start, stop, ttl, **kwargs):
         params = {}
         if start:
-            params["start"] = start
+            params["start"] = int(start)
         if stop:
-            params["stop"] = stop
+            params["stop"] = int(stop)
         if ttl:
-            params["ttl"] = ttl
+            params["ttl"] = int(ttl)
 
         if "include" in kwargs:
             for name, value in kwargs["include"].items():
diff --git a/reduct/http.py b/reduct/http.py
index 6b8aa0e..a2f8f91 100644
--- a/reduct/http.py
+++ b/reduct/http.py
@@ -53,7 +53,6 @@ async def request(
                     headers=dict(self.headers, **extra_headers),
                     **kwargs,
                 ) as response:
-
                     if response.ok:
                         yield response
                     else:
diff --git a/tests/bucket_test.py b/tests/bucket_test.py
index ce6235d..73336c5 100644
--- a/tests/bucket_test.py
+++ b/tests/bucket_test.py
@@ -117,6 +117,7 @@ async def test__write_by_timestamp(bucket_2):
 async def test__write_with_current_time(bucket_2):
     """Should write a record with current time"""
     belated_timestamp = int(time.time_ns() / 1000)
+    await asyncio.sleep(0.01)
 
     await bucket_2.write("entry-3", b"test-data")
     await bucket_2.write("entry-3", b"old-data", timestamp=belated_timestamp)
@@ -174,12 +175,10 @@ async def test_query_records(bucket_1):
     assert records[0].timestamp == 3000000
     assert records[0].size == 11
     assert records[0].content_type == "application/octet-stream"
-    assert not records[0].last
 
     assert records[1].timestamp == 4000000
     assert records[1].size == 11
     assert records[1].content_type == "application/octet-stream"
-    assert records[1].last
 
 
 @pytest.mark.asyncio
@@ -212,7 +211,6 @@ async def test_query_records_included_labels(bucket_1):
 
     assert len(records) == 1
     assert records[0].labels == {"label1": "value1", "label2": "value2"}
-    assert records[0].last
 
 
 @pytest.mark.asyncio
@@ -233,7 +231,6 @@ async def test_query_records_excluded_labels(bucket_2):
 
     assert len(records) == 1
     assert records[0].labels == {"label1": "value1", "label2": "value3"}
-    assert records[0].last
 
 
 @pytest.mark.asyncio
diff --git a/tests/client_test.py b/tests/client_test.py
index 9279d93..61560b3 100644
--- a/tests/client_test.py
+++ b/tests/client_test.py
@@ -48,7 +48,7 @@ async def test__bad_url_server_exists():
 
     with pytest.raises(ReductError) as reduct_err:
         await client.info()
-    assert str(reduct_err.value) == ("Status 404: Not Found")
+    assert str(reduct_err.value) == ("Status 404: Not found")
 
 
 @pytest.mark.asyncio