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-rw-r--r--actionpack/lib/action_controller/metal/head.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/head.rb b/actionpack/lib/action_controller/metal/head.rb
index 0c50894bce..3c84bebb85 100644
--- a/actionpack/lib/action_controller/metal/head.rb
+++ b/actionpack/lib/action_controller/metal/head.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActionController
module Head
# Returns a response that has no content (merely headers). The options
@@ -36,7 +38,7 @@ module ActionController
self.response_body = ""
if include_content?(response_code)
- self.content_type = content_type || (Mime[formats.first] if formats)
+ self.content_type = content_type || (Mime[formats.first] if formats) || Mime[:html]
response.charset = false
end