diff --git a/app/controllers/api/nextv1/contribution_page_controller.rb b/app/controllers/api/nextv1/contribution_page_controller.rb
index cafc9ae27..eb320202c 100644
--- a/app/controllers/api/nextv1/contribution_page_controller.rb
+++ b/app/controllers/api/nextv1/contribution_page_controller.rb
@@ -125,7 +125,7 @@ def image_properties(data)
       io: File.open(original_image_path),
       filename: new_filename + extension + ".padded",
       # remove period from beginning of extension type
-      content_type: "image/#{extension}"
+      content_type: "image/#{extension.tr(".", "")}"
     }
   end