diff --git a/app/models/import.rb b/app/models/import.rb
index a7a0d806577f2a185049bfba7725d4d5e935ea9e..c78a04d07349215dae3155c4419f5fdf48ad6684 100644
--- a/app/models/import.rb
+++ b/app/models/import.rb
@@ -17,7 +17,7 @@
 #
 
 class Import < ApplicationRecord
-  FILE_TYPES = %w(text/plain text/csv).freeze
+  FILE_TYPES = %w(text/plain text/csv application/csv).freeze
   MODES = %i(merge overwrite).freeze
 
   self.inheritance_column = false
diff --git a/config/initializers/paperclip.rb b/config/initializers/paperclip.rb
index 0dd7f8cf8baf5d9561bc283f66a0cf76e91b6edc..ebb009065bd391fe7ffbc0ba2984203788fb4a30 100644
--- a/config/initializers/paperclip.rb
+++ b/config/initializers/paperclip.rb
@@ -111,3 +111,5 @@ else
     url: ENV.fetch('PAPERCLIP_ROOT_URL', '/system') + '/:prefix_url:class/:attachment/:id_partition/:style/:filename',
   )
 end
+
+Paperclip.options[:content_type_mappings] = { csv: Import::FILE_TYPES }