diff --git a/tests/unit/transport/test_http.py b/tests/unit/transport/test_http.py
index 0246c0f3..218344c4 100644
--- a/tests/unit/transport/test_http.py
+++ b/tests/unit/transport/test_http.py
@@ -63,8 +63,7 @@ class TestHttpTransport(base.TestBase):
                                               params=final_params,
                                               headers=final_headers,
                                               data=None,
-                                              verify=True,
-                                              cert=None)
+                                              verify=True)
 
     @mock.patch.object(prequest.packages.urllib3.response.HTTPResponse,
                        'stream')
@@ -91,8 +90,7 @@ class TestHttpTransport(base.TestBase):
                                               params=params,
                                               headers=final_headers,
                                               data=None,
-                                              verify=True,
-                                              cert=None)
+                                              verify=True)
 
     @mock.patch.object(prequest.packages.urllib3.response.HTTPResponse,
                        'stream')
diff --git a/zaqarclient/transport/http.py b/zaqarclient/transport/http.py
index 1860ac7d..7d9064a1 100644
--- a/zaqarclient/transport/http.py
+++ b/zaqarclient/transport/http.py
@@ -89,13 +89,19 @@ class HttpTransport(base.Transport):
         if osprofiler_web:
             headers.update(osprofiler_web.get_trace_id_headers())
 
+        if request.verify:
+            if request.cert:
+                verify = request.cert
+            else:
+                verify = True
+        else:
+            verify = False
         resp = self.client.request(method,
                                    url=url,
                                    params=request.params,
                                    headers=headers,
                                    data=request.content,
-                                   verify=request.verify,
-                                   cert=request.cert)
+                                   verify=verify)
 
         if resp.status_code in self.http_to_zaqar:
             kwargs = {}