diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 8556548a856f4816cc35083d44ecb37e28e23ce6..31bc7d88ea0d7eae7cc160bdf1ffd39de8b4ca0a 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -141,6 +141,7 @@ module Gitlab
       #   GET /projects/:id/snippets/:snippet_id/raw
       get ":id/snippets/:snippet_id/raw" do
         @snippet = user_project.snippets.find(params[:snippet_id])
+        content_type 'text/plain'
         present @snippet.content
       end