diff --git a/synapse/media/v1/thumbnailer.py b/synapse/media/v1/thumbnailer.py
index 47160721e7..774ae4538f 100644
--- a/synapse/media/v1/thumbnailer.py
+++ b/synapse/media/v1/thumbnailer.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import Image
+import PIL.Image as Image
 from io import BytesIO