diff --git a/tests/unit/transport/test_request.py b/tests/unit/transport/test_request.py
index d8235a1a..6104c1e7 100644
--- a/tests/unit/transport/test_request.py
+++ b/tests/unit/transport/test_request.py
@@ -16,6 +16,8 @@
 
 import json
 
+from zaqarclient.queues.v1 import api as api_v1
+from zaqarclient.queues.v2 import api as api_v2
 from zaqarclient.tests import base
 from zaqarclient.transport import request
 
@@ -44,3 +46,25 @@ class TestRequest(base.TestBase):
         req = request.prepare_request(auth_opts, data=data)
         self.assertTrue(isinstance(req, request.Request))
         self.assertEqual(json.dumps(data), req.content)
+
+    def test_request_with_right_version(self):
+        auth_opts = self.conf.get('auth_opts', {})
+        api_version = 1
+        req = request.prepare_request(auth_opts, api=api_version)
+        self.assertTrue(isinstance(req.api, api_v1.V1))
+
+        api_version = 1.0
+        req = request.prepare_request(auth_opts, api=api_version)
+        self.assertTrue(isinstance(req.api, api_v1.V1))
+
+        api_version = 1.1
+        req = request.prepare_request(auth_opts, api=api_version)
+        self.assertTrue(isinstance(req.api, api_v1.V1_1))
+
+        api_version = 2
+        req = request.prepare_request(auth_opts, api=api_version)
+        self.assertTrue(isinstance(req.api, api_v2.V2))
+
+        api_version = 2.0
+        req = request.prepare_request(auth_opts, api=api_version)
+        self.assertTrue(isinstance(req.api, api_v2.V2))
diff --git a/zaqarclient/queues/v1/client.py b/zaqarclient/queues/v1/client.py
index 4c83448c..f4ebc120 100644
--- a/zaqarclient/queues/v1/client.py
+++ b/zaqarclient/queues/v1/client.py
@@ -71,10 +71,9 @@ class Client(object):
         return (trans or self.transport)
 
     def _request_and_transport(self):
-        api = 'queues.v' + str(self.api_version)
         req = request.prepare_request(self.auth_opts,
                                       endpoint=self.api_url,
-                                      api=api)
+                                      api=self.api_version)
 
         req.headers['Client-ID'] = self.client_uuid
 
diff --git a/zaqarclient/transport/request.py b/zaqarclient/transport/request.py
index a5259e99..1919273e 100644
--- a/zaqarclient/transport/request.py
+++ b/zaqarclient/transport/request.py
@@ -93,7 +93,12 @@ class Request(object):
                  headers=None, api=None):
 
         self._api = None
-        self._api_mod = api
+        # ensure that some values like "v1.0" could work as "v1"
+        self._api_mod = None
+        if api and int(api) == api:
+            self._api_mod = 'queues.v' + str(int(api))
+        elif api:
+            self._api_mod = 'queues.v' + str(api)
 
         self.endpoint = endpoint
         self.operation = operation