diff --git a/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing.py b/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing.py
index 42ba1d0a1e5..bf00cc49ed6 100644
--- a/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing.py
+++ b/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing.py
@@ -48,7 +48,7 @@ class TestManageExisting(scaleio.TestScaleIODriver):
                 'instances/Volume::' + self.volume['provider_id']:
                     mocks.MockHTTPSResponse({
                         'id': fake.PROVIDER_ID,
-                        'sizeInKb': 8388608,
+                        'sizeInKb': 8000000,
                         'mappedSdcInfo': None
                     }, 200)
             },
diff --git a/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing_snapshot.py b/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing_snapshot.py
index 33521bcebe0..26adc8d41fa 100644
--- a/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing_snapshot.py
+++ b/cinder/tests/unit/volume/drivers/emc/scaleio/test_manage_existing_snapshot.py
@@ -58,7 +58,7 @@ class TestManageExistingSnapshot(scaleio.TestScaleIODriver):
                 'instances/Volume::' + self.snapshot['provider_id']:
                     mocks.MockHTTPSResponse({
                         'id': fake.PROVIDER2_ID,
-                        'sizeInKb': 8388608,
+                        'sizeInKb': 8000000,
                         'mappedSdcInfo': None,
                         'ancestorVolumeId': fake.PROVIDER_ID
                     }, 200),
diff --git a/cinder/volume/drivers/emc/scaleio.py b/cinder/volume/drivers/emc/scaleio.py
index ec5a092c24a..b3e78eb201b 100644
--- a/cinder/volume/drivers/emc/scaleio.py
+++ b/cinder/volume/drivers/emc/scaleio.py
@@ -19,6 +19,7 @@ Driver for EMC ScaleIO based on ScaleIO remote CLI.
 import base64
 import binascii
 import json
+import math
 
 from os_brick.initiator import connector
 from oslo_config import cfg
@@ -1132,7 +1133,7 @@ class ScaleIODriver(driver.VolumeDriver):
 
     def _get_volume_size(self, volume, existing_ref):
         response = self._query_scaleio_volume(volume, existing_ref)
-        return int(response['sizeInKb'] / units.Mi)
+        return int(math.ceil(float(response['sizeInKb']) / units.Mi))
 
     def _execute_scaleio_get_request(self, request):
         r = requests.get(