diff --git a/ironic/common/images.py b/ironic/common/images.py
index 88daf8fb55..4fd079f870 100644
--- a/ironic/common/images.py
+++ b/ironic/common/images.py
@@ -492,7 +492,7 @@ def converted_size(path, estimate=False):
     if not estimate:
         return data.virtual_size
     growth_factor = CONF.raw_image_growth_factor
-    return int(min(data.disk_size * growth_factor, data.virtual_size))
+    return int(min(data.actual_size * growth_factor, data.virtual_size))
 
 
 def get_image_properties(context, image_href, properties="all"):
diff --git a/ironic/tests/unit/common/test_images.py b/ironic/tests/unit/common/test_images.py
index d8915de6b4..99b1652104 100644
--- a/ironic/tests/unit/common/test_images.py
+++ b/ironic/tests/unit/common/test_images.py
@@ -373,7 +373,7 @@ class IronicImagesTestCase(base.TestCase):
                        autospec=True)
     def test_converted_size_estimate_default(self, image_info_mock):
         info = self.FakeImgInfo()
-        info.disk_size = 2
+        info.actual_size = 2
         info.virtual_size = 10 ** 10
         image_info_mock.return_value = info
         size = images.converted_size('path', estimate=True)
@@ -385,7 +385,7 @@ class IronicImagesTestCase(base.TestCase):
     def test_converted_size_estimate_custom(self, image_info_mock):
         CONF.set_override('raw_image_growth_factor', 3)
         info = self.FakeImgInfo()
-        info.disk_size = 2
+        info.actual_size = 2
         info.virtual_size = 10 ** 10
         image_info_mock.return_value = info
         size = images.converted_size('path', estimate=True)
@@ -397,7 +397,7 @@ class IronicImagesTestCase(base.TestCase):
     def test_converted_size_estimate_raw_smaller(self, image_info_mock):
         CONF.set_override('raw_image_growth_factor', 3)
         info = self.FakeImgInfo()
-        info.disk_size = 2
+        info.actual_size = 2
         info.virtual_size = 5
         image_info_mock.return_value = info
         size = images.converted_size('path', estimate=True)