diff --git a/superset/views/core.py b/superset/views/core.py
index fc14d36e26..e17397215b 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -2658,14 +2658,15 @@ class Superset(BaseSupersetView):
         return json_success(json.dumps(datasource.data))
 
     @has_access_api
-    @expose("/queries/<int:last_updated_ms>")
-    def queries(self, last_updated_ms: int) -> FlaskResponse:
+    @expose("/queries/<last_updated_ms>")
+    def queries(self, last_updated_ms: str) -> FlaskResponse:
         """
         Get the updated queries.
 
         :param last_updated_ms: unix time, milliseconds
         """
-        return self.queries_exec(last_updated_ms)
+        last_updated_ms_int = int(float(last_updated_ms)) if last_updated_ms else 0
+        return self.queries_exec(last_updated_ms_int)
 
     def queries_exec(self, last_updated_ms: int) -> FlaskResponse:
         stats_logger.incr("queries")
diff --git a/tests/sqllab_tests.py b/tests/sqllab_tests.py
index 6f08f0de59..e88c1b0156 100644
--- a/tests/sqllab_tests.py
+++ b/tests/sqllab_tests.py
@@ -210,7 +210,7 @@ class SqlLabTests(SupersetTestCase):
         db.session.commit()
 
         data = self.get_json_resp(
-            "/superset/queries/{}".format(int(datetime_to_epoch(now)) - 1000)
+            "/superset/queries/{}".format(float(datetime_to_epoch(now)) - 1000)
         )
         self.assertEqual(1, len(data))