diff --git a/superset/db_engine_specs/presto.py b/superset/db_engine_specs/presto.py
index 9a72b76081658..d0621e288ef41 100644
--- a/superset/db_engine_specs/presto.py
+++ b/superset/db_engine_specs/presto.py
@@ -761,7 +761,7 @@ def convert_dttm(
             utils.TemporalType.TIMESTAMP,
             utils.TemporalType.TIMESTAMP_WITH_TIME_ZONE,
         ):
-            return f"""TIMESTAMP '{dttm.isoformat(timespec="microseconds", sep=" ")}'"""
+            return f"""TIMESTAMP '{dttm.isoformat(timespec="milliseconds", sep=" ")}'"""
         return None
 
     @classmethod
diff --git a/tests/unit_tests/db_engine_specs/test_presto.py b/tests/unit_tests/db_engine_specs/test_presto.py
index 512d03096b0b9..228427c9caa76 100644
--- a/tests/unit_tests/db_engine_specs/test_presto.py
+++ b/tests/unit_tests/db_engine_specs/test_presto.py
@@ -30,17 +30,17 @@
         (
             "TIMESTAMP",
             datetime(2022, 1, 1, 1, 23, 45, 600000),
-            "TIMESTAMP '2022-01-01 01:23:45.600000'",
+            "TIMESTAMP '2022-01-01 01:23:45.600'",
         ),
         (
             "TIMESTAMP WITH TIME ZONE",
             datetime(2022, 1, 1, 1, 23, 45, 600000),
-            "TIMESTAMP '2022-01-01 01:23:45.600000'",
+            "TIMESTAMP '2022-01-01 01:23:45.600'",
         ),
         (
             "TIMESTAMP WITH TIME ZONE",
             datetime(2022, 1, 1, 1, 23, 45, 600000, tzinfo=pytz.UTC),
-            "TIMESTAMP '2022-01-01 01:23:45.600000+00:00'",
+            "TIMESTAMP '2022-01-01 01:23:45.600+00:00'",
         ),
     ],
 )