diff --git a/cinder/image/image_utils.py b/cinder/image/image_utils.py
index a1154967486..4c47b57775c 100644
--- a/cinder/image/image_utils.py
+++ b/cinder/image/image_utils.py
@@ -297,7 +297,7 @@ def fetch_to_volume_format(context, image_service,
             return
 
         data = qemu_img_info(tmp, run_as_root=run_as_root)
-        virt_size = data.virtual_size / units.Gi
+        virt_size = int(math.ceil(float(data.virtual_size) / units.Gi))
 
         # NOTE(xqueralt): If the image virtual size doesn't fit in the
         # requested volume there is no point on resizing it because it will
diff --git a/cinder/tests/unit/test_image_utils.py b/cinder/tests/unit/test_image_utils.py
index 3a90c287733..398bd28ae41 100644
--- a/cinder/tests/unit/test_image_utils.py
+++ b/cinder/tests/unit/test_image_utils.py
@@ -925,7 +925,7 @@ class TestFetchToVolumeFormat(test.TestCase):
         data = mock_info.return_value
         data.file_format = volume_format
         data.backing_file = None
-        data.virtual_size = 4321 * 1024 ** 3
+        data.virtual_size = int(1234.5 * units.Gi)
         tmp = mock_temp.return_value.__enter__.return_value
 
         self.assertRaises(