diff --git a/lib/philomena/images/image.ex b/lib/philomena/images/image.ex
index d6d5ccce..1630082d 100644
--- a/lib/philomena/images/image.ex
+++ b/lib/philomena/images/image.ex
@@ -158,13 +158,13 @@ defmodule Philomena.Images.Image do
 
   def thumbnail_changeset(image, attrs) do
     image
-    |> cast(attrs, [:image_sha512_hash])
+    |> cast(attrs, [:image_sha512_hash, :image_size])
     |> change(thumbnails_generated: true, duplication_checked: true)
   end
 
   def process_changeset(image, attrs) do
     image
-    |> cast(attrs, [:image_sha512_hash])
+    |> cast(attrs, [:image_sha512_hash, :image_size])
     |> change(processed: true)
   end
 
diff --git a/lib/philomena/images/thumbnailer.ex b/lib/philomena/images/thumbnailer.ex
index 674e55f6..8e9a236a 100644
--- a/lib/philomena/images/thumbnailer.ex
+++ b/lib/philomena/images/thumbnailer.ex
@@ -29,11 +29,11 @@ defmodule Philomena.Images.Thumbnailer do
     {:ok, analysis} = Analyzers.analyze(file)
 
     apply_edit_script(image, Processors.process(analysis, file, @versions))
-    recompute_sha512(image, file, &Image.thumbnail_changeset/2)
+    recompute_meta(image, file, &Image.thumbnail_changeset/2)
     generate_dupe_reports(image)
 
     apply_edit_script(image, Processors.post_process(analysis, file))
-    recompute_sha512(image, file, &Image.process_changeset/2)
+    recompute_meta(image, file, &Image.process_changeset/2)
   end
 
 
@@ -58,12 +58,18 @@ defmodule Philomena.Images.Thumbnailer do
     do: symlink(image_file(image), Path.join(thumb_dir, destination))
 
 
-  defp recompute_sha512(image, file, changeset_fn),
-    do: Repo.update!(changeset_fn.(image, %{"image_sha512_hash" => Sha512.file(file)}))
-
   defp generate_dupe_reports(image),
     do: DuplicateReports.generate_reports(image)
 
+  defp recompute_meta(image, file, changeset_fn) do
+    image
+    |> changeset_fn.(%{
+      "image_sha512_hash" => Sha512.file(file),
+      "image_size" => File.stat!(file).size
+    })
+    |> Repo.update!()
+  end
+
 
   # Copy from source to destination, creating parent directories along
   # the way and setting the appropriate permission bits when necessary.
@@ -119,4 +125,4 @@ defmodule Philomena.Images.Thumbnailer do
 
   defp image_thumbnail_root,
     do: Application.get_env(:philomena, :image_file_root) <> "/thumbs"
-end
\ No newline at end of file
+end