diff --git a/lib/philomena/images.ex b/lib/philomena/images.ex
index 95788ad5..d68595fb 100644
--- a/lib/philomena/images.ex
+++ b/lib/philomena/images.ex
@@ -937,7 +937,7 @@ defmodule Philomena.Images do
       (source.sources ++ target.sources)
       |> Enum.map(fn s -> %Source{image_id: target.id, source: s.source} end)
       |> Enum.uniq()
-      |> Enum.take(10)
+      |> Enum.take(15)
 
     target
     |> Image.sources_changeset(sources)
diff --git a/lib/philomena/images/image.ex b/lib/philomena/images/image.ex
index d8e791c8..7b808eaa 100644
--- a/lib/philomena/images/image.ex
+++ b/lib/philomena/images/image.ex
@@ -212,11 +212,13 @@ defmodule Philomena.Images.Image do
     image
     |> cast(attrs, [])
     |> SourceDiffer.diff_input(old_sources, new_sources)
+    |> validate_length(:sources, max: 15)
   end
 
   def sources_changeset(image, new_sources) do
     change(image)
     |> put_assoc(:sources, new_sources)
+    |> validate_length(:sources, max: 15)
   end
 
   def tag_changeset(image, attrs, old_tags, new_tags, excluded_tags \\ []) do
diff --git a/lib/philomena_web/templates/image/_source.html.slime b/lib/philomena_web/templates/image/_source.html.slime
index 8fa32872..48e3c6de 100644
--- a/lib/philomena_web/templates/image/_source.html.slime
+++ b/lib/philomena_web/templates/image/_source.html.slime
@@ -8,7 +8,7 @@
 
       p
         'The page(s) you found this image on. Images may have a maximum of
-        span.js-max-source-count> 10
+        span.js-max-source-count> 15
         ' source URLs. Leave any sources you don't want to use blank.
 
       = inputs_for f, :sources, [as: "image[old_sources]", skip_hidden: true], fn fs ->
diff --git a/lib/philomena_web/templates/image/new.html.slime b/lib/philomena_web/templates/image/new.html.slime
index ad596f17..dfb664d9 100644
--- a/lib/philomena_web/templates/image/new.html.slime
+++ b/lib/philomena_web/templates/image/new.html.slime
@@ -40,7 +40,7 @@
   h4 About this image
   p
     'The page(s) you found this image on. Images may have a maximum of
-    span.js-max-source-count> 10
+    span.js-max-source-count> 15
     ' source URLs. Leave any sources you don't want to use blank.
 
   = inputs_for f, :sources, fn fs ->