1 files changed, 2 insertions, 6 deletions
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index adc62ec6a9..5f1f08d19c 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -393,9 +393,7 @@ module ActionView
           options[:alt] = options.fetch(:alt){ image_alt(src) }
         end
 
-        if size = options.delete(:size)
-          options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$}
-        end
+        extract_size!(options, :width, :height)
 
         if mouseover = options.delete(:mouseover)
           options[:onmouseover] = "this.src='#{path_to_image(mouseover)}'"
@@ -448,9 +446,7 @@ module ActionView
         multiple_sources_tag('video', sources) do |options|
           options[:poster] = path_to_image(options[:poster]) if options[:poster]
 
-          if size = options.delete(:size)
-            options[:width], options[:height] = size.split("x") if size =~ %r{^\d+x\d+$}
-          end
+          extract_size!(options, :width, :height)
         end
       end